—The pollution problem here seems to get more and more serious.

—Yes, something ________ with it.

　 A. is doing　　　　　　　　 B. has done　　　　　　　 C. must be done

—Maria! Don’t ________ too late, or you will feel sleepy in class.

—I won’t, Mum. I will go to bed as soon as I finish my homework.

　 A. set up　　　　　　　　　 B. take up　　　　　　　 C. stay up

—Where is the professor ________ gave us the speech yesterday?

—He has gone back to Beijing University.

A. who 　　　　　　　　　　B. whom 　　　　　　　　C. which

—Which is ________, the sun, the moon or the earth?

—Of course the moon is.

A. small　　　　　　　　 B. smaller　　　　　　　 C. the smallest

 —When are you going to Hainan for your holidays?

—I haven’t decided. ______ this Sunday ______ next Sunday is OK.

A. Both; and                B. Either; or              C. Not only; but also

—Michael did very well in the chemistry exam.

—Oh, yeah! He is ___________ chemistry.

　 A. good at 　　　　　　　　B. weak in　　　　　　　　　　　　 C. afraid of

 —How time flies! Three years __________ passed.

 —Yes, we will graduate from our school.

    A. is                       B. has                       C. have

—Look! Mike is talking to the Chinese teacher.

—It __________ be Mike. He has gone to New York.

　 A. may　　　　　　　 　　　 B. can’t　　　　　　　　　 　 C. mustn’t　

 —Will you go the net bar this afternoon?

   —Sorry. My mother always tells me ___________ there.

   A. going                   B. to go                  C. not to go

—Have you ever been to Wuyi mountain?

—No, _________. But I really want to go there.

A. always　　 　　　 　　　　　　 　　 B. never　　 　　　　　　 　　 C. sometimes