31. ---Would you mind if I _______ here?　

--- _______ . It's not allowed.

A. smoke; Yes, please　　　 B. smoked; You'd better not

C. smoke; That's all right　　 D. smoked; You are welcome

30. All the students in our class made _______ progress by studying harder this term.　

A. a　　 B. great　 C. a great　 D. 不填

29. ---Don't put the waste on the ground.　　　　　　　　 　

---Oh, I'm very sorry. I ________ the dustbin there.

A. don't see　 B. isn't seeing　 C. didn't see　 D. haven't seen

28. It was at the school gate ______ I met an old friend of mine after class.　

A. that　　 B. which　　 C. where　　 D. why

27. On hearing the _____ news that they had won the match, they shouted for joy in _____ voices.

A. exciting, exciting　 B. excited, excited　　 C. excited, exciting　　 D. exciting, excited　　

26. I'm not sure whether this is the room ________ she left her dictionary.　

A. where　 B. that　 C. which　 D. in that

25. The population of China is _______ than that of America.　

A. larger five times　 B. five times larger　 C. as five times　 D. as five times larger

24. By the time she ________ home, her parents will have prepared some delicious food for her.　

A. gets　 B. will have got　 C. is getting　 D. will get　　　　　 　

23. During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates _______ beside to see what would happen.　　

A. were standing　 B. stood　 C. standing　 D. to stand

22. I don’t think she will come to the meeting on time, _________?　　

　 　 A. do I　　 B. do you　　 　C. will she　 　　　 D. won’t she