It took me to find out the key to the drawer. A. one and half hours B. one and a half hours C. one and a half hour D. one and half hour 查看更多

 

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It took me _____to find out the key to the drawer.
    
[     ]
A. one and half hours    
B. one and a half hours
C.  one and a half hour    
D. one and half hour

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