21. ---You’ve dropped _____ “s’’ in the word “acros’’

　　---Oh, ____ letter “s’’ should be doubled like this “across’’.

　　A. a, a　　 B. an, a　 C. a, the　　 　　D. an, the

　　22. ---The pen writes well though it doesn’t cost much.

　　--- Let me have a try. So _____.

　　A. it is　　 B. it does　 C. does it　 D. is it

　　23. ---The smell in the room is really terrible.

　　---You said it. Let’s keep all the windows _____ .

　　A. closed　 B. open　 C. opening　 D. to open

　　24. ---____ the Internet _____ in your school?

　　---Yes, but the computer in our office has often broken down.

　　A. Is, used　 B. Is, using　 C. Does, use D. Has, used

　　25. ---Do you often get on-line?

　　---Yes. I ______ most of my time on it .It’s a good way to kill time.

　　A. cost　 B. spend C. pay D. take

　　26. ---Did Tom’s parents go to the meeting yesterday?

　　---Yes, ____ of them did, but ____ spoke.

　　A. each, none B. both, none C. neither, both D. both, neither

　　27. ---I eat _____ vegetables and ______ meat than I did last year.

　　---That’s why you’re getting fatter.

　　A. fewer, more B. more, less C. least, more D. many, much

　　28. ---_____ is the population of the town?

　　---Over 20,000 .And a third of the population ____ workers of the car factory.

　　A. What, are B. How many, are C. What, is D. How many, is

　　29. ---I tried to make Kate ______ her mind, but I found it hard.

　　---Well, I saw you_______ that when I went past.

　　A. change, do B. changes, doing C. to change, do D. change , doing

　　30. ---Sorry. I am late.

　　---It doesn’t matter. The meeting ______ for just several minutes

　　A. has begun B. has started C. has been on D. had been on

　　31. ---I feel tired and sleepy.

　　---Why not stop _____?

　　A. to work　 B. to have a rest　 C. having a rest　 D. to go on with your work

　　32. ---Did you notice the boy come in?

　　---No, I didn’t because I _______a film.

　　A. had watched B. have watched C. was watching D. am watching

　　33. ---Could you tell me _____? I must find him.

　　---Sorry, I have no idea. But he was here just now.

　　A. where Tom was B. where has Tom gone

　　C. where can I find Tom. D. where Tom is

　　34. ---Shall I tell Mike about it?

　　---No, you _____. He’s already been told.

　　A. mustn’t　 B. can’t　 C. don’t　 D. needn’t

　　35. ---Alice, why didn’t you come here yesterday?

　　---I ____, but my son suddenly fell ill and I had to take him to the hospital.

　　A. had　 B. did　 C. was going to　 D. didn’t

　　36. ---I’m ______ in what _____ you.

　　---Well, don’t follow suit. Just do what you like.

　　A. interesting, interests B. interested, interests

　　C. interest, interests　　　 D. interest, interesting

　　37. ---I’m too busy_______ to my family often.

　　---Why not call them instead?

　　A. writing B. to write C. written D. write

　　38. ---______ present you’ve bought for me!

　　---I’m glad you like it.

　　A. How a B. What a　 C. How　 D. What

　　39. ---This is no-smoking zone. Can’t you see the sign?

　　---Oh, sorry. I ______ it.

　　A. haven’t seen B. won’t see　 C. don’t see D. didn’t see

　　40. ---Will you please let me have a look at the photos taken in the States?

　　---Sure .I’ll _____ them here to school tomorrow.

　　A. take　 B. carry　 C. get　　 D. bring