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Shenzhou VI ________ around the earth for 115 hours.

A. has been flown    
B. has been flying  
C. flew  
D. will fly
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科目：初中英語 來源：同步題 題型：單選題

Shenzhou VI ________ around the earth for 115 hours.
[     ]
A. has been flown    
B. has been flying  
C. flew  
D. will fly

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