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科目: 来源:江苏同步题 题型:单选题

Research findings show we spend about two hours dreaming every might, no matter what
 we _________ have done during the day.  
[     ]
A. should             
B. would            
C. may          
D. must

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科目: 来源:江苏期中题 题型:单选题

—  Was the bungee jumper killed since the line broke after he jumped off the bridge?
—  Well, it's totally unbelievable that he ______ have survived the jump.
[     ]
A. would
B. must
C. could
D. should

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科目: 来源:浙江省期中题 题型:单选题

Students ______ remain in their seats until all the exam papers have been collected.
[     ]
A. would         
B. should         
C. may           
D. can

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科目: 来源:陕西省模拟题 题型:单选题

— What do you think of your brother's son?
— He  ____  be very naughty but at the same time you  ___    help  liking him.
[      ]
A. will; will    
B. may; may  
C. can; can't    
D. won't; can't

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科目: 来源:北京模拟题 题型:单选题

— I ______ have turned on the air conditioner at such a low temperature.
— No wonder you've got a cold.  
[     ]
A. shouldn't  
B. couldn't    
C. mustn't    
D. needn't

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科目: 来源:山东省模拟题 题型:单选题

—  Is it good to look up every new word when I come across it in reading?  
— No. You      , because you are likely to guess the meaning from the context.
[     ]
A. don't have to
B. shouldn't
C. can't
D. mustn't

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科目: 来源:上海模拟题 题型:单选题

Walking alone in the quiet town, Helen thought she _____ have invited John to enjoy the peace together.
[     ]
A. can't
B. needn't
C. should
D. might

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科目: 来源:上海模拟题 题型:单选题

— May I smoke here, Smith?    
— If you _______, choose a seat in the smoking section.  
[     ]
A. should    
B. could        
C. must        
D. may

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科目: 来源:广西自治区期中题 题型:单选题

If you _____ go, at least wait until the storm is over.  
[     ]
A. can  
B. may    
C. must  
D. will

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科目: 来源:广西自治区期中题 题型:单选题

It ______ be the postman at the door. It's only six o'clock.        
[     ]
A. mustn't    
B. can't        
C. won't      
D. needn't

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