16. Must I finish writing the composition this afternoon? ----No, you ______.H16 A. don’t have to B. mustn’t C. can’t D. may not ...

14. Because he was careless, so he failed. A. 错误 B. 正确 ...

9. .______to say a thing in that way A. It is considers wrong B. It is considered wrong C. It is considered it's wrong D. It is consiedring wrong ...

8. The weather forecast is for more rain, __________ I think we should postpone out trip. A. so B. therefore C. because D. while ...

18. All the afternoon he worked with the door locked. A. 错误 B. 正确 ...

10. There was a meeting yesterday for students who failed the exam. Sally, passed so she (go) _________________________. She went to a party instead. A. didn't have/need to B. needn't have ...

6. The warmth of ________sweater will of course be determined by the sort of ________wool used. A. the; the B. the; / C. /; the D. /; / ...

3. Arthritis are a disease causing pain and swelling in the joints of the body. A. 错误 B. 正确 ...

11. In came the manager and the meeting began. A. 错误 B. 正确 ...

6. We can imagine _________ interesting it must be to travel in space. A. what B. where C. how D. that ...