50.

47. ----Ann didn’t come to school yesterday, did she?

　 ----___▲___, because she was not feeling well.

A.No, she didn’t 　B. Yes, she was　 　C. No, she wasn’t　 D. Yes, she did

46.----Did anybody go out?

----　 ▲　 　. I didn't see anybody go out.

A. I can't say　 　　B. I guess so　　 C. I hope not　　 　D. I don't think so

45. ----What would you like to drink?

----It doesn't matter. 　▲　 　will do.

A. Nothing　 　B. Everything　 　　C. Something　 　　D. Anything

44.----Write to me as soon as you get there. 　　　----I 　　▲　 .

A. must　　　 B. should　　　　 C. will　　　　 　　　D. can

43.----Did you　 ▲　 　what the teacher said?

----Not really. He spoke a little too fast.

A. heard　　　 　B. listen to　　 　　C. catch　　　 　　D. learn from

42.----It's not so difficult, Mr. Green. I want　　 ▲　　 .

----Come on, please.

A. try　　　 　　　 B. a　 go　　 　　　C. starting　 　　　 D. to happen

41.----Will Mr. Smith be here soon?

----I can’t tell. Let’s go and __▲___when the train arrives(到达).

A. look 　　　　B. look for 　　　C. find 　　　　　　D. find out