18．The students expected there _______ more reviewing classes before the final exams.

　 A．to be 　　　　　　　　　 B．is 　　　　　　　　　　 C．being 　　　　　　　　 D．have been

17．In no way _____ leave _____ little children alone.　

　 　A．we must; so　 　　 B．must we; such　 C．must we; so　 　　 D．we must; such

16．-I wonder why Sara looks worried today.

-I’m not sure, but she　　　 a small accident driving here.

　　　 A．could have　　　　　 B．might have　　　　　 C．might have had　　 D．must have had

15．We visited the school that lies in　　　 was a big factory more than twenty years ago.

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

14．The Friendship Store　　　 is being rebuilt stands　　　 the two main roads meet.

　　　 A．不填; where　　　　 B．where; where　　　 C．which; where　　　 D．which; which

13．- What do you think of chemistry?

　　 - In my opinion, chemistry is ______ physics.

A．subject so difficult as　　　 　　　　　　　　 B．as difficult a subject as

C．as a difficult subject as　　 　　　　　　　　 D．difficult as a subject as

12．Most of the teaching equipment presented by the Hope Project, as well as the books,　　　　　 　　　　　_______made good use of in the village school.

　　　 A．have　　　　　　　　　 B．has　　　　　　　　　　 C．have been　　　　　　 D．has been

11．How long do you think　　　 the construction company finishes the project?

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

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

10．When we got to the stadium hurriedly, the leaders ______ their speeches and the performance ______.

A．have finished; began　　　　　　 　　 B．had just finished; had begun

C．had just finished; was about to begin 　　 D．just finished; begun

9．He would have attended your birthday party but he ______ himself with a very important experiment.

　 　 A．occupied　 　　　　 　　　　　　　　　　　　　　 B．has occupied　　　 　

　　　 C．had occupied　　　 　　　　　　　　　　　　　　 D．has been occupying