The exercises are extremely difficult, but half of the class_____ them ahead of

The exercises are extremely difficult, but half of the class_____ them ahead of

题型:同步题难度:来源:
The exercises are extremely difficult, but half of the class_____ them ahead of time.    [     ]
A. has already finished    
B. will finish    
C. have already finished    
D. finishes
答案
C
举一反三
— Has your son come back from abroad for the winter vacation?
— Yes. But he stayed at home for only a week. Now he       back to college.[     ]
A. went
B. has gone
C. was going
D. will go
题型:江西省模拟题难度:| 查看答案
It is hard to imagine what progress they _____ in the past few months.  [      ]
A. made  
B. have made  
C. had made  
D. make
题型:四川省期中题难度:| 查看答案
— Would you care for a cup of coffee?  
— I ________ one. Thank you just the same.  [      ]
A. had          
B. have had      
C. would have        
D. will have
题型:河北省模拟题难度:| 查看答案
In the past two years, the number of campus bookstores offering rentals _____ from a few dozen to
1,500.[     ]
A. jumped
B. had jumped
C. is jumping
D. has jumped
题型:上海模拟题难度:| 查看答案
Space exploration began in the 1960s, and since then about five hundred people _______ into space. [     ]
A. are traveling    
B. traveled      
C. had traveled    
D. have traveled
题型:上海模拟题难度:| 查看答案
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