33. We ________ there if it doesn’t rain tomorrow.

　　　 A. has walked　　　　 B. will walk　　　　　 C. walk

32. Someone _____ me when I was doing my papers.

　　　 A. had called　 B. called　　　　 C. has called

31. My school is a little far, so I usually __________ to work by bike.

　　　 A. went　　　　　 B. had gone　　　　　 C. go

30. They say there _________ a new bridge across the river in two years.

　　　 A. will have　　　　　 B. is going to be　　　　　　 C. has

29. You _______ swim in this part of the lake. It’s not safe.

　　　 A. mustn’t　　　　　　 B. needn’t　　　　　　　 C. won’t

28. He is so young, _______ he knows a lot.

　　　 A. and　　　　　　　　　 B. or　　　　　　　　　　 C. but

27. I think Mary is _________ student in our class.

　　　 A. very careful　　　 B. the most careful　　　　 C. more careful

26. This reading is not ___________ that one.

　　　 A. as easier as　　　　 B. so easy than　　　　　　　 C. as easy as

25. There’s _______ bread left here. We have to buy some.

　　　 A. little　　　　　　　　　 B. a little　　　　　　　　　　　 C. much

24. My bike is old and _________ is new.

　　　 A. you 　　　　　　　　 B. your　　　　　　　　　 C. yours