31. - Is Jay coming by bus? - He should, but he ____ not. He likes cycling along. A. must 　 B. can 　 C. need 　 D. may

30. As we know, in the airport we’re ______ to smoke only in special areas.

A. demanded　 B. made　　 C. asked　 D. allowed

29. It is estimated that nearly 100 million people live here, most of ______ in the west.

A. which　　 B. whom　 C. that　 D. them

28. As for how to promote public education, Professor Li gave us a lot of suggestions which _____ reasonable and practical.　

A. appeared　 B. sounded　 C. looked　　 D. listened

27. - ______ you finish your essay in time? - I am afraid ______. A. Can; can’t 　B. May; not 　C. Must; needn’t 　D. Can; not

26. - The hill isn’t as beautiful as I have expected.

- In fact, it looks better _____ the distance.

A. from　 B. at　 C. off　　 D. in　

25. Entering the orchard, you will find apple trees are ______ fruit, fragrance drifting around.

A. filled with　 B. heavy with　 C. loaded with　　 D. mixed with　

24. - Lily is a happy girl, but today she seems in a bad mood.

- Something ________ to her.

　　　 　A．must happen　　　　　 　　 B．should have happened　　

　　　 　C．could have happened　　 D．must have happened

23. - Did you have a good rest last night?

　- Yes. I slept right ____ the thunderstorm.

A. on　　 B. in　　 C. at　　　 D. through　 　

22. The tourists often complained of being _____ by the local peddlers when they buy some souvenirs.

　　 A. ripped off　　 B. ripped out　 C. ripped up　 D. ripped way