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科目： 來源：四川省模擬題 題型：單選題

Don’t play with the dog. It        be dangerous sometimes.  
[     ]
A. must          
B. need        
C. shall        
D. can

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科目： 來源：山東省模擬題 題型：單選題

—What do you think we can do for our aged parents?
—You __ ___   do anything except to be with them and be yourself.
[     ]
A. don’t have to  
B. oughtn’t to    
C. mustn’t
D. can’t

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科目： 來源：陜西省模擬題 題型：單選題

You_____ be tired－you’ve only been working for an hour.
[     ]
A. must not        
B. won’t          
C. may not          
D. can’t

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科目： 來源：四川省同步題 題型：單選題

—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
—Oh,  dear! She ________ a lot of difficulties!
[     ]
A. may go through
B. might go through
C. ought to have gone through
D. must have gone through

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科目： 來源：四川省同步題 題型：單選題

I can't understand why you all ________ think that I did it.
[     ]
A. shall  
B. will  
C. can  
D. should

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科目： 來源：陜西省模擬題 題型：單選題

—_____ you always question everything I say?  
—Sorry if I make you unhappy; but it's my habit to question before I believe.  
[     ]
A. Shall
B. Will        
C. Must        
D. Can

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科目： 來源：陜西省模擬題 題型：單選題

It s unbelievable that so young a professor ______ make such great progress in the scientific field.
[     ]
A. will      
B. may
C. should
D. need

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科目： 來源：四川省同步題 題型：單選題

—This wall of air is an effective answer to the problem and it ________ work.
 —But it is a question to put such a wall of air around the statue.
[     ] 
A. may  
B. must  
C. should  
D. could

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科目： 來源：四川省同步題 題型：單選題

— Didn't they come to the party last week?
— Yes. They didn't want to come with us at first,   but then we ________ persuade them.
[     ]
A. would  
B. could
C. were able to  
D. had to

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科目： 來源：陜西省模擬題 題型：單選題

— Could I talk with you right now? I have something urgent.
— If you _____, please come to my office.
[     ]
A. can
B. may
C. must
D. should

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