You ______ be polite to the old man. [     ]A. should     B. can"t      C. might

You ______ be polite to the old man. [     ]A. should     B. can"t      C. might

题型:同步题难度:来源:
You ______ be polite to the old man. [     ]
A. should     
B. can"t      
C. might       
D. mustn"t
答案
A
举一反三
Mr. Green ______ speak a little Chinese, but he can"t speak any Japanese.

[     ]

A. can
B. may
C. must
D. need
题型:同步题难度:| 查看答案
He was so tired that he couldn"t work any longer.[     ]
A. wasn"t allowed to    
B. shouldn"t
C. wasn"t able to          
D. mustn"t
题型:同步题难度:| 查看答案
I _____ have two wings and then fly to the moon.[     ]
A. would
B. could          
C. should        
D. might
题型:同步题难度:| 查看答案
Cars and buses________ stop when the traffic lights turn red.[     ]
A. can      
B. need      
C. may     
D. must
题型:同步题难度:| 查看答案
—It is nearly six p.m. Will you have dinner here?
—Sorry, _______. I have many things to do.[     ]
A. I mustn"t
B. I can"t
C. I needn"t
D. I don"t
题型:同步题难度:| 查看答案
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.