1.A left-luggage office is a place where bags ________  be left for a short time, especially at a railway station.         
A. should      B. can      C. must      D. will        
2.How _________you say that you really understand the whole story if you have covered only part of the article?
A. can      B. must        C. need      D. may
3.—The room is so dirty.  ________ we clean it?
—Of course.
A. Will     B. Shall      C. Would       D. Do
4.Naturally, after I told her what to do, my daughter _________ go and do the opposite!
A. may       B. can       C. must        D. should
5.My English-Chinese dictionary has disappeared.Who_________ have taken it? 
A. should     B. must     C. could        D. would
6.Look at the trouble I am in! If only I_________ your advice.
A. followed      B. would follow      C. had followed      D. should follow
7.—Is John coming by train?
—He should, but he _______ not. He likes driving his car.
A. must       B. can        C. need         D. may
8. —I heard they went skiing in the mountains last winter.
—It ________ true because there was little snow there.
A. may not be     B. won't be       C. couldn't be     D. mustn't be
9.It has been announced that candidates  _______remain in their seats until all the papers have been collected.
  A. can         B. will         C. may         D. shall
10.It is hard for me to imagine what I would be doing today if I  _______ in love ,at the age of seven ,with the Melinda Cox Library in my hometown.
A. wouldn't have fallen       B. had not fallen
C. should fall                D. were to fall
11.—I hear you've got a set of valuable Australian coins.  _______ I have a look?
    —Yes,certainly.
A. Do        B. May      C. Shall      D. Should
12.Oh, I'm not feeling well in the stomach. I _______ so much fried chicken just now.
A. shouldn't eat   B. mustn't have eaten   
C. shouldn't have eaten   D.mustn't eaten
13.I was really anxious about you .You_________home without a word.
A. mustn't leave         B. shouldn't have left
C. couldn't have left          D. needn't leave
14.You can't imagine that a well-behaved gentleman  ________be so rude to a lady.
A. might       B. need         C. should       D. would
15.What would have happened  ________ ,as far as the river bank?
A. Bob had walked farther        B. if Bob should walk farther
C. had Bob walked farther        D. if Bob walked farther
16. Mr Bush is on time for everything. How  ________it be that he was late for the opening ceremony?
A. can         B. should       C. may      D. must
17.He hesitated for a moment before kicking the ball, otherwise he_________ a goal.
A. had scored     B. scored        C.would score      D.would have scored
18.—Are you coming to Jeff's party?
—I'm not sure . I_________go to the concert instead.
A．must         B．would         C．should         D．might
19.My sister met him at the Grand Theatre yesterday afternoon, so he_________your lecture.
A. couldn't have attended          B. needn't have attended
C. mustn't have attended           D. shouldn't have attended
20.Sorry I'm late. I ________ have turned off the alarm clock and gone back to sleep again.
A. might       B. should        C. can       D. will
21.—Will you stay for lunch?
—Sorry, ________. My brother is coming to see me.
A. I mustn't     B. I can't      C. I needn't   D. I won't
22. —Isn' t that Ann's husband over there?
—No, it _______ be him -I'm sure he doesn't wear glasses.
A. can't       B. must not       C. won't           D. may not
23. I often see lights in that empty house. Do you think I _____ report it to the police?
A. should      B. may          C. will             D. can
24. Mr. White _____ at 8:30 for the meeting, but he didn’t show up.
A. should have arrived         B. should arrive
C. should have had arrived    D. should be arriving
25. — Excuse me, but I want to use your computer to type a report.
  —You _________ have my computer if you don't take care of it.
A. shan't            B. might not         C. needn't           D. shouldn't 
26. You ______ be tired - you've only been working for an hour.
A. must not          B. won' t            C. can' t           D. may not
27. — Who is the girl standing over there ?
— Well , if you _________ know , her name is Mabel .
A. may        B. can        C. must       D. shall
28. --- I don't mind telling you what I know.
    --- You _________  . I'm not asking you for it.
A. mustn't           B. may not          C. can't   D. needn’t
29. —I’ll tell Mary about her new job tomorrow.
 —You________ her last week.
A．ought to tell   B．would have told   C．must tell   D．should have told
30. —Excuse me . Is this the right way to the Summer Palace ?
    —Sorry , I am not sure . But it _________ be .
A．might   B．will   C．must    D．can
31. —Mum , I’ve been studying English since 8 o’clock. .  _________ I go out and play with Tom for a while ?
    —No, I’m afraid not . Besides , it’s raining outside now .
A．Can’t    B．Wouldn’t    C．May not     D．Won’t
32. Children under 12 years of age in that country ________ be under adult supervision when in a public library.
A. must             B. may           C. can            D. need
33. I ____ pay Tracy a visit, but I am not sure whether I will have time this Sunday.
A. should            B. might         C. would          D. could
34. “The interest_______ be divided into five parts, according to the agreement made by both sides,” declared the judge.
A. may             B. should         C. must            D. shall
35. I lived with my sister this summer and didn't have to pay rent.
So I _________ save most of  my salary.
A. could          B. would          C. was able to        D. should
36．He didn't pass the examination． As a good student, he_________．
A．should have failed          B．shouldn't have failed
C．must have, failed              D．mustn't have failed
37. It _________ Jack that parked the car like that as he’s the only one who can drive.
A. might be     B. could be     C. must have been     D. ought to be
38.—I didn’t know you were good friends.
  ---You ______.I have known her since she moved here.You were studying abroad then.
A.may have      B.needn’t have     C.couldn’t have    D.must have
39. It was really very dangerous; you _________ him seriously.
A. might have injured     B. may have injured    
C. must injure     D. need have injured
40.. —Do you still remember when we went to Nanjing?
   —I can't remember now, but _________ sometime last summer?
A. might it be    B. could it be    C. could it have been  D. should it have been
41—How could I thank you enough?
   —Don't mention it. Any other man _______ that.
A.must do     B. could do    C. would have done   D. should have done
42. ―Why didn’t you put your cellphone in your overcoat pocket?
―I ______________, but I was afraid it would be stolen.
A. had put  B. put  C. would have   D. could have
43. You _________ scold such a pupil who always keeps silent so seriously that you ________ hurt him.
A. should; can   B. may; will    C. mustn’t; may    D. can’t; must
44．We _________ so tired. We’ve only been to a party.
A．mustn’t have felt   B．wouldn’t have felt
C．shouldn’t have felt D．couldn’t have felt
45. He _________ have the book when I finish reading it.
A. would     B. shall       C.must         D. ought
46. -- What do you do?
   -- I'm a pilot.
   -- That __________ exciting.
A. would be   B. must be   C. might be   D. can be
47. On Sundays when I was a child, Father and I ____ get up early and go fishing.
A. could   B. would   C might   D. should
48. —We are already late. Whatever has happened to your friend, Wang Ling?
    —I don’t know. She ________ lost.
    A. can have got   B. may have got   C. might get   D. would have got

参考答案：
1-5   BABCC  6-10  CDCDB   11-15 BCBCC  16-20 ADDAA
21-25 BAAAA  26-30 CCDDA   31-35 AAADC  36-40 BCCAC
41-45 CCCCB  46-48 BBB