动词的语态是动词的一种形式,表示主语和谓语之间语法或语义的关系.英语的语态有两种:主动语态和被动语态.主动语态用于主动句,表示主语是动作的执行者.被动语态用于被动句,表示主语是动作的承受者.主动语态的构成方式与动词时态相同,而被动语态由 助动词be+过去分词 构成,有人称,数,时态的变化.

1.D　 2.C　 3.C　 4.D　 5.A　 6.C　 7.D　 8.B　 9.A　 10.A　 11.D　 12.C　 13.A　 14.C　 15.A

15. It is ordered that a new bridge ______ over the wide river.

A. should be built　　　 B. would built

C. will be built　　　　　　 D. built

14. _______ today, he would get there by Friday.

A. Would have left　　　　　 B. Was he leaving

C. Were he to leave　　 D. If he leaves

13. ______ it ______ for your help, I couldn’t have made any progress.

A. Had; not been　　　　　　 B. Should; not been

C. Did; not been　　　　　　 D. Not; been

12. -Did you go swimming last Sunday?

　-No. We would have gone ______ nicer.

A. if the weather was

B. would the weather have been

C. had the weather been

D. should the weather be

11. -Do you think the thief entered through the window?

-No, if he had, I don’t believe, _______ broken the living-room’s window.

A. he would have　　　　　　 B. he must have

C. he had　　　　　　　　　 D. should he have

10. If he ______ it, he _______ it.

A. had seen; could have believed　　　　 B. saw; couldn’t believe

C. saw; couldn’t have believed　　 D. has seen; had believed

9. If my lawyer _________ here last Saturday, he _______ me from going.

A. had been; would have prevented

B. had been; would prevent

C. were; would prevent

D. were; would have prevented

8. If he ________, he _________ that food.

A. was warned; would not take

B. had been warned; would not have taken

C. would be warned; had not taken

D. would have been warned; had not taken