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题目
题型:期中题难度:来源:
—He worked out such difficult questions at a very young age.  
—Oh, he _______a very smart student then [     ]
A. could have been        
B. should have been
C. might have been        
D. must have been
答案
D
核心考点
试题【—He worked out such difficult questions at a very young age.   —Oh, he _______a 】;主要考察你对动词的分类等知识点的理解。[详细]
举一反三
The boy________be really annoying at times, but after a while, you"11 get used to him.[      ]
A. must      
B. should       
C. shall 
D. can
题型:模拟题难度:| 查看答案
On Sunday when I was young, my father and I       get up early and go running.  [      ]
A. could        
B. would        
C. might        
D. should
题型:月考题难度:| 查看答案
— Where is Lily, Lucy? I cannot find her anywhere.
— She        have been off long. I saw her clean the window just now.[      ]
A. shouldn"t
B. can"t
C. mustn"t
D. needn"t
题型:月考题难度:| 查看答案
Thank you for all your hard work last week. I don"t think we ______ it without you.[     ]
A. can manage
B. could have managed  
C. could manage  
D. can have managed
题型:月考题难度:| 查看答案
— Did you go to the open-air concert?
—No. We ____. but we spent too much time shopping.[      ]
A. could have gone                 
B. must have gone
C. can"t have gone                  
D. shouldn"t have gone
题型:月考题难度:| 查看答案
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