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题目
题型:四川省同步题难度:来源:
—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
答案
D
核心考点
试题【—The woman biologist stayed in Africa studying wild animals for 13 years before 】;主要考察你对动词的分类等知识点的理解。[详细]
举一反三
I can"t understand why you all ________ think that I did it. [     ]
A. shall  
B. will  
C. can  
D. should
题型:四川省同步题难度:| 查看答案
—_____ 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
题型:陕西省模拟题难度:| 查看答案
It s unbelievable that so young a professor ______ make such great progress in the scientific field.[     ]
A. will      
B. may
C. should
D. need
题型:陕西省模拟题难度:| 查看答案
—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
题型:四川省同步题难度:| 查看答案
— 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
题型:四川省同步题难度:| 查看答案
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