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. the ,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. less, 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. 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

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

34.----Shall I tell Mike about it ?

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