19. - _________ he have been chosen as captain of the Chinese football team?

-Yes, he __________. (2010·重庆南开中学高三月考)

A. Must; must　 　　　　　　　　　　B. Can; must　

C. Must; must have　 　　　　　　　D. Can; must have

18. The police have been investigating for two weeks, yet it is still unknown _______ that committed the murder.　 (2010·醴陵二中高三第四次月考)

A. it was who　　　　　　　　　 B. who it was

C. who is it　　　　　　　　　　 D. it is who

17. How long do you think __________ the computer company launches a new model? (2010·江苏省南通市高三上学期期末调研考试)

A. it will be before　　　　　 B. will it be until

C. will it be when　 　　　　　D. it will be that

16. ___________ she seems to put on a smiling face every day, she hasn’t really got over the shadow of exam 　failure. (2010·上海市嘉定区高三上学期第一次质量调研)

A. Because　　　　　　　　 B. As

C. Whether　　　　　　　　 D. Though

15. The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make _________ it is. (2010·河北保定一中高三第四次阶段考试)

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

14. -Jim, you __________ quiet! Don’t you know it’s time for class now?

-Sorry, sir.(2010·福建省南安一中高三上学期期末考试)

A. being　 　　　　B. be　　 　　　C. are　　 　　　　D. will be

13. -Would you like steak or chicken?

-___________. I’m full now.(2010·上海市浦东新区高三上学期期末质量抽测)

A. Both　　　　　　 B. None 　　　　C. Either 　　　　D. Neither

12. __________ next time! In the meantime, e-mail your particular application questions to our　 college e-mail address.(2010·上海市嘉定区高三上学期质量调研)

tinued　　　　　　　　 　B.To be continued

tinuing　　　　　　　 　D.To continue

11. Despite a lot of research, scientists can not figure out _________ quite a number of insects, birds and animals are dying out. (2010·上海市奉贤区高三上学期调研测试)

A. that　　 　　　　B. as　　　　 　　　C. why　　 　　　　D. when

10. Luckily ____________ to be no one under the tree when it broke down. (2010·合肥市高三第一次教学质量检测)

A. it happened　 　　　　　　　B. there happened

C. there used　 　　　　　　　D. it had