Exercise 3.1

1. The film was wonderful; you ______ it.
A. must go to see                                           
B. must have gone to see
C. should have gone to see                              
D. may see

2. “We didn’t see him at the lecture yesterday.”
“He ______ it.”
A. mustn’t attend                                             
B. can’t have attended
C. should not have attended                              
D. needn’t have attended
3. The elephants ought ______ hours ago by the keepers.
A. to be fed　　　　B. to feed                 
C. to being fed 　　　　D. to have been fed

4. She went to sleep in the park and when she woke up her watch had vanished. Someone ______ it while she slept.
A. must steal                                                   
B. should have stolen
C. must have stolen                                          
D. need have stolen
5. If you ______ over there for a moment, I’ll tell Mr. Li you’ve arrived.
A. shall wait　　　　B. waited                  
C. will wait              D. should wait

6. The room is in a terrible mess. It ______ cleaned
A. mustn’t be                                                  
B. mustn’t have been
C. can’t be                                                      
D. can’t have been

7. In the eighteenth century writers ______ hours in coffee houses, discussing the news of the day.
A. may spend                   B. would spend         
C. might have spent  　　D. could spend

8. I wish that I ______ with you last night.
A. went 　　　　B. have gone             
C. could go              D. could have gone

9. He was a good runner so he ______ escape from the police.
A. ought to 　　　　 B. might                   
C. was able to          D. could
10. “Have you seen Marie?”
“She wasn’t feeling well. ______ gone home?”
A. She might have　　　　B. She might has
C. Might she have　　　　D. She could have

11. If the telephone ______ ring please say that I’ll be back at six.
A. should　　　　B. will                      
C. shall    　　　　D. can

12. “You ought to have gone to see your uncle yesterday.” “Yes, I ______.”
A. should   　　　　 B. ought to               
C. would to             D. should have

13. Nobody knows how people first came to these islands. They ______ from South America on rafts.
A. must have sailed  　　　　B. can sail
C. might have sailed 　　　　D. should have sailed

14. “I don’t know what has happened to Harold,” she said.
“Maybe I ______ him.”
A. had to call 　　　　B. shall call               
C. should call　　　　D. would call

15. “What did Pat do last night?”
“She ______ tickets to a football game, but decided to stay home.”
A. could get               　　　　B. could has gotten
C. could have gotten 　　　　D. can get
16. You are incompetent! It ______ hours ago.
A. should be finished                                        
B. must be finished
C. must have finished                                       
D. should have been finished
17. “Can we finish cleaning this garage tonight?”
“I don’t know, but we ______ try to.”
A. would   　　　　B. used to                 
C. should　　　　D. were able to

18. “Helen, will you be at the party tonight?”
“I don’t know, because I have so much homework to do that I really ______.”
A. can’t  　　　　B. mustn’t                
C. won’t　　　　D. shouldn’t

19. “I didn’t go to class last night because my car broke down.”
“You ______ mine. I wasn’t using it.”
A. could borrow                                              
B. could have borrowed
C. may have borrowed                                     
D. may borrow

20. To be really happy and safe, one ______ at least two or three hobbies, and they must all be real.
A. would have 　　　　B. could have            
C. ought to have 　　　　D. may have

Exercise 3.2

1. Professor Wang left for London yesterday. He _____ be in his home London now.
A. might 　　　　B. may not                
C. dare 　　　　D. need

2. _____ your sister have caught up with them?
A. May 　　　　B. should                  
C. Might　　　　D. Will

3. Tom _____ break in like that.
A. ought to not　　　　B. ought not to
C. not ought to　　　　D. ought

7. The classroom _____ be cleaned before the class begins.
A. needs t　　　　B. needs                   
C. need to 　　　　D. needs not

8. They _____ go out right now. these are still one hour left.
A. don’t need                   B. doesn’t need         
C. needs to              D. don’t need to
9. The man shouted at them crazily and they  _____ look at him.
A. dare 　　　　B. don’t dare             
C. dare not 　　　　 D. not dare

10. _____ you pick up the burning iron with your bare hands?
A. Daren’t to 　　　　B. Dare                    
C. Do dare               D. Dared

11. Peter _____ get near to the dog, for he is only a schoolboy.
A. doesn’t dare 　　　　B. dares not              
C. dare not to           D. doesn’t dare to

12. Nobody _____ walk over the bridge at night.
A. dares                           B. dared not              
C. dared to                     D. don’t dare to
13. _____ you _____ school by bus?
A. Used…to                     B. Used… to go        
C. Used…go                     D. Used…to going
14. You _____ not to make fun of him. He is not the one you laugh at but learn from.
A. should                   B. ought                   
C. had better            D. shall
15. You’d _____ laugh in this kind of ceremony.
A. better laugh not            B. better to               
C. better not            D. not bette
16. Linda _____ it down. She was here yesterday.
A. couldn’t                       B. couldn’t knock      
C. could knock                   D. could have knocked
17. It was dark there. They _____ their way.
A. must have been            B. must have lost       
C. may lose             D. must lose
18. They went to the classroom a moment ago. They _____ class in the classroom right now.
A. must have to                B. could have            
C. may have had               D. might be having

19. I _____ have told you all these, but I didn’t.
A. could                   B. would                  
C. ought                  D. should
20. We have several days more. We _____ worked so hard.
A. needn’t have                B. couldn’t have        
C. mustn’t have               D. needn’t