31．As a result of the heavy snow, the airport has been closed up until further　　　　　 .

　　　 A. news　　　　　　　　　 B. information　　　　 C. notice　　　　　　　　 D. message

30．-Would you like me ________ the radio a bit?

　　 -No, it's all right. I'm used to ________ with the radio _________.

　　　 A．to turn up; work; on　　　　　 　　 B．to turn down; working; off

　　　 C．turning up; working; off　　　　 　　 D．to turn down; working; on

29． _________ that Tom got inside the room to see what was going on.

A. So strangely did he feel　　　　　 B. So strangely he felt

　 　 C. So strange did he feel　　　　　　 　　　 D. So strange he felt

28． -My goodness! You　　　　　 wear slippers at work!

-I’m sorry I forgot to change them for fear of being late.

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

27．-When did Miss Wang leave the office?

　 　-She left ________ you turned back to write on the blackboard.

A．the minute 　　 B．a time　 　　　　　　 C．until　　 　　　　 D．unless

26．-Oh, darling, you're wearing a new sweater today? It looks great on you.

　 　-Thanks, Tom, I'm glad you ________ . How nice!

A. saw　　　　 B. minded　　　　　 C. liked　　　　　　 D. noticed

25．It was funny to see that the baby’s eyes immediately　　　　　 at the sight of its mother.

　　　 A. showed up　　　　 B. fixed up　　　　　　　 C. cleaned up　　　 D. lit up

24．-How much shall I pay for the phone call?

　 　-You ________ . This is free of charge.

A．shouldn't　　　 　　　　　　　　　　　　　　　 B．can't　　　　 C．don't have to　 D．mustn't

23．-Has anything new been discussed on that problem so far?

　 　- __________ , and more will follow, I think.

A. Little　　　 B. Much　　　　　 C. Few　　　　　　 D. All

22．The number of registered participants in this year’s marathon was half　　　　　 .

　　　 A. that of last year’ s　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. those of last year’ s

　　　 C. those of last year　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D. of last year’s