16. ---The grammar in Unit 6 seems __________ difficult, _________it?

　 --- Yes, there are many changes we should pay attention to.

A. so, doesn’t　　　　 B. to be, does　　　　 C. so, is 　　　　　　　 D. to be, isn’t

15. People didn’t know _________ during the night.

A. what was happened　　　 　　　 B. what the murder happened

C. what happened　　　　　 　　　 D. how the murder has happened

14. I wonder whether she __________ that.

A. dare do　　 　　　 B. dares do　　　 　 C. dares to do　 　　 D. All the above

13. We’re not sure ________ it will rain or not tomorrow.

A. if　　　 B. whether　　　 C. that　　　 D. why

12. He said that he had met her two years _______.

A. before　　 B. ago　　　 C. for 2 years　　 D. since 2 years ago

11. Mr Wu asked the little boy ____________in the east.

A.did he know that the sun rises 　 B. did he know that the sun rose

C. if he knew that the sun rises 　　　　　 D. if he knew that the sun rose

10. I was robbed ______ my watch yesterday and I’m not familiar _______ the robber.

A. off, to　　　　　　　 B. of, to　　　　　　　　 C. off, with　　　　　 D. of, with

9. Do you still remember _______ at the meeting?

A. that Jim said　 B. what Jim said　　 C. did Jim said that　　 D. what did Jim said

8. Could you tell me ______ the bike without any help this morning?

A. how does he mend　 B. how he mends　

　C. how he mended　 D. how did he mend

7. May I ______ your dictionary ?　 Sorry, I _______ it at home.

A. borrow, forget　　 B. lend, left　　 C. lend, forgot　　 D. borrow, left