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A. Might B. Could C. Shall D. May

5. Mercury is very close to the sun, and it is very hot. Therefore, there ……………… not
be life on it.
A. might B. could C. can D. will

6. My friend asked me ……………… I had ever seen any unidentified flying object.
A. if B. whether C. where D. both A& B
7. She wondered ……………… a space buggy looked like.

A. what B. how C. which D. what things
8. I am not sure ………... food tablets might supply enough energy for astronauts or not.
A. what B. why C. how D. if

9. The teacher asked us what the essential conditions for human life ………………
A. is B. are C. was D. were
10. The little boys wondered if he would meet an alien in his dream ………………

A. tonight B. this night C. that night D. that day‟s night
VI Put the following sentences into reported speech.

1. “Are you interested in astronomy?”, Dave asked me.
→ ..........................................................................................................................................
2. “Can you tell me something about Jupiter?”, the boy asked his sister.

→ ..........................................................................................................................................
3. “When will you finish this spaceship model?”, John asked Peter.
→ ..........................................................................................................................................

4. “Why aren‟t you curious about what an alien looks like?”, Ly asked me.
→ ..........................................................................................................................................
5. “When did you last dream about going into the space?” Mrs Van asked her son.

→ ..........................................................................................................................................
VII Fill in the blank with the correct form of the given word in bracket.

1. Is there any………………. for the existence of a different life on other possible
planets?

2. It is always interesting to imagine the ………………. of an alien. appear
3. Advances in space ………………. have helped us discover interesting explore

facts about the planets in the orbit.
4. No other body in the solar system attracts as much ………………. science

attention as this strange-looking moon.

5. I think that ………………. in that planet don‟t need water to maintain inhabit
their life.

VIII Find one mistake in each sentence and correct it.

1. Europa might have liquid water and sources of energy that is ...........................
A B C D
necessary for life.

2. Scientists believe that liquid water might exists below the surface. ...........................

Big 4 - Bộ đề tự kiểm tra 4 kỹ năng Nghe - Nói - Đọc - Viết tiếng Anh (cơ bản và nâng cao) lớp 8 tập 2| 63