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22、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

22、C

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科目：高中英語 來源：同步題 題型：單選題

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

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科目：高中英語 來源： 題型：

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

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