Exercise 1: Choose the word/ phrase/ sentence (A, B, C, or D) that best fits the space in

each sentences or best answers the question.

1. The _________ is the whole of space and everything in it including the earth, the planetsand
the stars.

A. air B. atmosphere C. sky D. universe

2. Surveyor I was the first U.S. _________ to land on the moon on June 2,1966.

A. flying saucer B. transport C. spaceship D. aeroplane

3. My neighbour said that he sometimes saw _________ flying in the sky.

A. UFOs B. craters C. stars D. planets

4. Astronauts float around their spaceship because there is no _________ in space.

A. air B. force C. gravity D. pressure

5. Besides Earth, Mars is the most _________ planet in our solar system.

A. natural B. habitable C. appropriate D. friendly

6. The alien in her picture is an exotic _________ with long red hair and brilliant green eyes.

A. thing B. living C. creature D. species

7. He said that he saw a ________ landing on the field next to his house last night.

A. rocket B. planet C. UFO D. ground

8. The Milky Way is just one of the ________ in space.

A. galaxies B. planets C. moons D. creatures

9. Scientists are trying to find ________ planets like the Earth.

A. freezing B. unsuitable C. strange D. habitable

10. The young scientist was over the ________ when he saw that modern telescope.

A. Mars B. sun C. Jupiter D. moon

11. The moon has weaker ________ than the Earth, so you can jump higher on the moon than on
the Earth.

A. push B. gravity C. oxygen D. atmosphere

12. With a good telescope, you can see ________ on the moon.

A. craters B. tidal waves C. villages D. buildings

13. ________ are creatures from a planet other than Earth.

A. Humans B. Commanders C. Citizens D. Aliens

14. The Earth moves around the __________.

A. Sun B. Moon C. Galaxy D. Venus

15. We need to use a __________ to clearly see the surface of the moon.

A. liquid B. UFO C. spaceship D. telescope

16. __________ is the force that causes something to fall to the ground.

A. Habitat B. Creature C. Gravity D. Possibility

17. Traces are marks, objects, or __________ that show that somebody or something existed.

A. aliens B. craters C. signs D. liquids

18. A journey back to Soduka is a __________ book.

A. documentary B. travel C. history D. science fiction

19. Travelling to Mars might __________ a reality sooner than you think.

A. becoming B. become C. became D. to become

20. Jupiter is the largest planet __________ about 63 moons.

A. has B. have C. with D. there

21. The atmosphere of Venus is quite __________ from ours.

A. differ B. different C. difference D. differently

22. The planets in the solar system are named __________ the Roman Gods.

A. after B. before C. to D. according

23. Vostok 1 is the name of the __________ in which Yuri Gagarin flew into outer space.

A. soldier B. spaceship C. commander D. creature

24. The space exploration project looks quite ________ although it is led by a youngscientist.
A. difficult B. promising C. unrealistic D. problematic

25. Several moons in our solar system have ________ of frozen water on them.

A. some B. traces C. many D. opportunities

26. Many people want to know about outer space, so they ________ the closing of thespace
research centre.

A. support B. advise C. oppose D. refuse

27. According to the weather forecast, there’s a ________ of rain tonight.

A. possibility B. ability C. competency D. situation

28. Are there any ________ of life which could exist on Mercury?

A. shapes B. ways C. works D. forms

29. He wondered which planet in our solar system ________ life on it.

A. will have B. could have C. have D. to have

30. Mary wanted to know who ________.

A. was the first to step on the moon C. step on the moon was the first

B. the first was step on the moon D. the first to step on the moon

31. My brother asked me where ________ information about the Milky Way.

A. could he find B. he finds C. he could find D. he find could

32. She ________ which of the two books ________ the solar system in more detail.

A. wondering – described C. wondered – did describe

B. wondered – to describe D. wondered –described

33. Tommy wanted ________ how much ________.

A. to know - would the telescope cost B. know - the telescope costs

C. knew - the telescope would cost D. to know - the telescope would cost

34. I wish I could travel ________ outer space.

A. away B. into C. from D. out of

35. Saturn is called a ________ giant. It is made primarily of hydrogen and helium.

A. soil B. gas C. water D. air

36. We peered over the lip of the _________ into the volcano.

A. UFO B. rocket C. telescope D. craters

37. The Earth takes a year to ________ the sun.

A. orbit B. touch C. move D. cycle

38. Ngoc wanted to know what time _________.

A. does the film begin C. the film began

B. did the film begin D. the film begins

39. He asked the children why they _________ too much noise.

A. not to make B. were making C. are making D. making

40. “Do you like to travel in space?

Mai asked me __________ I liked to travel in space.

A. if B. when C. who D. where

41. “Are you doing some science experiments?

I asked her __________ she was doing some science experiments.

A. why B. what C. which D. whether

42. “What kind of book are you reading?

She asked her brother __________ kind of book he was reading.

A. what B. whether C. if D. which

43. “Who invented the first telephone?

Lan wanted to know __________ had invented the first telephone.

A. whether B. who C. how D. if

44. “What time does the train to Ha Noi leave?He wanted to know what time the train to Ha
Noi____.
A. leave B. left C. will leave D. have left

45. “Where may people be living in fifty years’ time?

She asked Tom where people __________ be living in fifty years’ time.

A. may B. might C. can D. could

46. “Did you ring me last night?

Lisa asked Mike if __________ had rung her the night before.

A. I B. he C. she D. you

47. “Have you seen the thief?

The policeman asked me whether I __________ the thief.

A. see B. saw C. will see D. had seen

48. “Can Mai translate French documents into Vietnamese?

Jack wondered if Mai __________ translate French documents into Vietnamese.

A. can B. would C. could D. might

49. “How did you go to the laboratory yesterday?

He asked his daughter how she had gone to the laboratory the __________ day.

A. previous B. before C. next D. after

50. Jane: Are you sure I have passed the French exam?

Hoa: __________ I’ve just heard it from our teacher.

A. I’m sorry to hear that. B. I’m absolutely sure.

C. I’m not certain. D. Wow, that’s great!

Exercise 2. Circle the correct word to complete the sentences.

1. Peter asked me if / how I had ever visited NASA.
2. My sister asked me what I was doing now / then.
3. Mai wanted to know when / whether Mercury was discovered.
4. Jim asked his teacher whether there is / was life on other planets.
5. My teacher told us that the Earth moves / moved around the sun.
6. Brown asked whether / who Emily complained about the film.
7. Mrs. Smith asked her husband when he was travelling / is travelling for business.
8. My director asked me whether I hadn’t / haven’t finished my project.
9. I asked her what / if they felt tired after the long walk.
10. She asked me whether I can / could do her a favor.
11. My mother wanted to know who be / was at the door.
12. He asked me where I had been all this / that time.
13. The salesman asked Mr. Thomson which of these / those shirts he liked best.
14. I asked Frank what they were arguing about over here / there.
15. The litle boy asked his mother if they came next day / the following day.
16. A spaceship is a creature / vehicle used for travel in space.
17. Galaxy / Mercury is the smallest planet in our solar system.
18. They launched a moon / rocket to the planet Venus.
19. Scientists are working hard to find habitat / habitable planets.
20. You can see craters on the moon with a spaceship / telescope.
21. Creature is a living thing that can / can’t move independently.
22. In a weightless environment, everything floats controllably / uncontrollably.
23. The Milky Way is the galaxy that excludes / includes our solar system.
24. The atmosphere in the room was so fresh / stuffy I could hardly breathe.
25. He made friends with some aliens / UFOs who came from another planet.
26. He is a promise/promising young scientist.
27. Saturn/ Mercury is the closest planet to the Sun.
28. Scientists are working to find. habit / habitable planets.
29. The story has atracted my atention because it is thrilling/unsuitable.
30. Water is one of the conditions/ possibilities that we need to be able to live on a planet.

Exercise 3: Complete the second sentence so that it has the same meaning as the first one.
1. “What is the book about?”, Dung asked.
=> Dung wanted to know what the book was about.

2. The boy wondered, “Why can’t humans live on Mars?”

The boy wondered why humans couldn’t live on Mars.

3. Peter asked his sister, “Where are you going?”

Peter wanted to know where his sister was going.

4. “What does a UFO look like?” He asked his uncle.

He asked his uncle what a UFO looked like.
5. “Will this flight take off in a few minutes?”, she asked me.
She asked me if that flight took off in a a few mintutes.
6. Nam asked his teacher, “Is Neptune the eighth planet in the Solar System?”
Nam asked his teacher If neptune was the eighth planet in the solar system.
7. "Why do you believe in UFOs, Lan?"
Mai wanted to know why Lan bebieved in UFOs.
8. "What sci-fi film about life on other planets do you like?"
I asked Mai what sci-fi film about life on other planet she liked

9. "What do you often do on the International Space Station?"

Jack asked the astronaut what he often did on the international space station.

10. "How many days does it take to get to Mars from Earth?"
Kelly wondered how many days it took to get to mars from earth.

11. "When will we be able to travel to the sun?"

He wanted to know_________________________________________________________
12. "How is your mother?" She asked me.
She asked________________________________________________________________
13. "What are you going to do at the weekend?" Nam asked me.
Nam asked________________________________________________________________
14. “Why is the new computer making that noise?” she said.
She asked________________________________________________________________
15. “How many planets are there in the solar system?” I said to Phong.
I asked_______________________________________________________________________
16. “What is the height of Mount Everest?” The teacher said.
The teacher asked______________________________________________________________
17. "What is this film about?", said Phong.
Phong wanted to know___________________________________________________________
18. My son wondered, "Why can't humans live on Mars?”
My son wondered_______________________________________________________________
19. She asked me, "Is Mr. Claire a scientist?"
She asked me________________________________________________________________
20. "What time does their flight take off?", I asked.
I wanted to know________________________________________________________________
21. He asked Nam, "When will you come to America?"
He asked Nam________________________________________________________________
22. "Are UFOs from another planet?", my students asked me.
My students asked me___________________________________________________________
23. "Can the scientists find any living creatures on the Moon?", he asked.
He asked________________________________________________________________
24. "Do you like going swimming now?", Lisa asked her mother.
Lisa asked her mother____________________________________________________________

Exercise 4: Read the following passage and circle the leter A, B, C, or D to indicate the
correct word or phrase that best fits each of the numbered blanks.
① The temperature on Mars is very cold, so all the water on (1) _________ surface is iceman
scientists think that there is water in the soil or even in underground rivers. There may be life on
Mars, too. At the moment, robots (2) _____ the Earth are exploring Mars and looking for life.
Europa is one of Jupiter's moons and it's covered in ice. Although the surface is very cold,
scientists think it's warmer inside. There may be oceans under the ice and bacteria or other (3) __
things in the oceans. One-day people will send robots to explore this planet to look for life.
Titan is the largest moon in Saturn. It is the only moon in the solar (4)_______ with atmosphere.
It has rivers, lakes, rain and clouds. These are made of chemicals called hydrocarbons, and
scientists think that there is water under the surface of Titan, too. Living things are made of
hydrocarbons and water. One day we will (5) _________ life on Titan.
1. A. it B. its C. their D. the
2. A. in B. on C. from D. to
3. A. living B. alive C. lively D. live
4. A. body B. organisation C. space D. system
5. A. save B. discover C. learn D. explain

② Mercury is the smallest planet in our solar system. It's just a litle bigger than the Earth's moon.
It is the closest planet to the sun, (1) _________ it's actually not the hotest. Venus is hoter.
Along with Venus, Earth, and Mars, Mercury is (2) _________ of the rocky planets. It has a
solid surface that is covered with craters. It has no atmosphere, and it doesn't have any moons.
This small planet spins around slowly compared to Earth, so one day lasts a long time. Mercury
takes 59 Earth days to (3) _________ one full rotation. A year on Mercury goes by fast. Because
it's the closest planet to the sun, it doesn't take very long to go all the way around. It completes
one revolution around the sun in just 88 Earth days.
A day on Mercury is not (4) _________ a day here on Earth. For us, the sun rises and sets each
and every day. (5) _________ Mercury has a slow spin and a short year, it takes a long time for
the sun to rise and set there. Mercury only has one sunrise every 180 Earth days!
1. A. but B. so C. and D. or
2. A. first B. another C. one D. other
3. A. take B. do C. get D. make
4. A. same B. similar C. like D. different
5. A. Therefore B. When C. If D. Because