16. He made another wonderful discovery, ___ of great importance to science.

A. which I think is　 B. which I think it is　 C. which I think it　　 D. I think it is

15. I don’t really work here; I ___ until the new secretary arrives.

A. just help out　　 B. have just helped out　　 C. am just helping out　　 D. will just help out

14. ___ caused a lot of suspicion among the people.

A. He being kidnapped　 B. His being kidnapped　 C. He was kidnapped　 D. His kidnapped

13. ___ your composition carefully, some spelling mistakes can be avoided

A. Having checked　　 B. Check　　 C. If you check　　　 D. To check

12. -Did you attend the meeting?　 -I ___ the news if I ___ it.

A. would have known, had attended　　　 B. would know, attended

C. would know, had attended　　　　　　 D. would have known, attended

11. The train___ arrive at 11:30, but it was an hour late.

A. was about to　　 b. was likely to　 C. was supposed to　 D. was certain to

10. With his son___ , the old man felt unhappy.

A. to disappoint　　 B. to be disappointing　　 C. disappointing　　 D. being disappointed

9. -I promise her daughter she ___ get a nice present on her birthday.

-Will it be a surprise to her?

A. should　　 B. must　　 C. would　　　 D. shall

8. ___it rain tomorrow, we would have to put off the visit to the Yangpu Bridge

A. B. should　　 C. Would　　　 D Will

7. Meeting my uncle after all these years was an unforgettable moment, ___ I will always treasure.

Were　　 A. that　　　 B. one　　　 C. it　　　 D. what