19. You are saying that the fight against cybercrimes requires great effort, and this is　　　　　　　 I quite agree.

　　A. how　　　　　　　　　　 　　 B. what　　　　　　　　　 　 C. where　　　　　　　　　　　　　　 D. why

18. Maybe _______ is true that we do not know what we have got until we lose _______.

A. it; one　　　　 　　 B. what; that　　　　　　 　　 C. it; it　　　　　　　　 　 　 D. what; more

17.-Is Bob still performing?

-I’m afraid not. He is said _________ the stage already as he has become an official.

A. to have left　　　　 B. to leave　　　　　　　　　 C. to have been left　　　　　 D. to be left

16. --- Have you got the results of the final exam?

　 --- Not yet. It will be a few days _________ we know the full results,

A. before　　　　 　　 B. after　　　　　　 　　 C. until　　　　　　 　　 D. when

15. -Are you ready to leave?

　　　 -Almost. I’ll be ready to go as soon as I _______ putting the clean dishes away.

A. get through　　　　 B. give up　　　　　　　　　 C. go on　　　　　　　　　　　　　　 D. set about

14. Seeing the road ________ with snow, we had to spend the holiday at home, watching TV.

A. blocking　　　　　　　　　　　　　 B. to block　　　　　　　　　　　　 C. blocked　　　　　　　　　　　　 D. to be blocked

13.-Do you know who will ______ our company’s business when our manager is retired.

-I am not sure. Maybe the vice-manager.

A. take over　　　　　　　　　　　　 B. take up　　　　　　　　　　　　　 C. take on　　　　　　　　　　　　　 D. take in

12. ________ we can pass the coming examination will mainly depend on ________ we learn and ________ we learn it.

A. Whether; what; how 　　　　　　　　　　　　　　　　 B. That; whether; why

C. If; how; that 　　　　　　　　　　　　　　　　　　　　　　　 D. Why; that; how

11. With two children ___________ middle school in the nearby town now, the parents are working hard.

A. to attend　　　　　　　　　　　　　 B. attending　　　　　　　　　　　 C. attended　　　　　　　　　　　 D. having attended

10. - Which of the two ties would you like to take?

-________.You know I’m not particular about ties.

A. Any　　 　　　　　　　　　　　　 B. Either　　 　　　　　　　　　　　　　 C. Both　　 　　　　　　　　　　　　　 D. Neither