8. Which of the following does paper burn in?

A. CO₂　 B. N₂　 C. O₂　 D. He

7. ___________comes from cows.

A. Wool　 B. Chicken　 C. Pork　 D. Milk

6. In the bookshop, a reader asked the shopkeeper ____________Who Moved My Cheese was an interesting book.

A. that　 B. how　 C. what　 D. if

5. --- Dad, when will you be free? You agreed to go to the seaside with me four days ago.

--- I am sorry, Jean. But I think I will have a _____________holiday soon.

A. four-days 　B. four-day　 C. four days　 D. four day

4. ___________ you free last night?

A. Were　 B. Was　 C. Are　 D. Do

3. He __________ two thousand trees since 1985.

A. plants　 B. planted　 C. will plant　 D. has planted

2. --- Which of the two English dictionaries will you buy?

--- I'll buy _________ of them, so I can give one to my friend, Hellen.

A. either　 B. neither　 C. all　 D. both

1. Ann is so careful that she always goes over her exercises to _______________there are no mistakes.

A. look for　 B. make sure　 C. find out　 D. think about

10. ---Could you tell me _______?

---Sorry, I don’t know. I was not at the meeting.

A. what does he say at the meeting　　　 B. what did he say at the meeting

C. what he says at the meeting　　　 D. what he said at the meeting

　 [解析]答案：D。该题考查的是宾语从语的语序和时态。第一，宾语从句应用陈述句的语序；第二，表示“在会上所说的话”应用一般过去时。

[满分演练]

单项天空

9. I am waiting for my friend. _________, I will go swimming alone.

A. If he doesn’t come　　　　 B. If he won’t come

C. If he will come　　　　　　 D. If he is coming

　 [解析]答案：A。该题考查的是在时间状语从句里的时态。在时间状语从句里，通常用一般现在是代替一般将来时。