scores of times , but he still couldn’t understand it . A.Having explained B.Having been explained C.Though it was explained D.It was explained 查看更多

 

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_____ scores of times , but he still couldn’t understand it .

A.Having explained                     B.Having been explained

       C.Though it was explained                D.It was explained

 

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_____ scores of times , but he still couldn’t understand it .
[     ]
A.Having explained              
B.Having been explained
C.Though it was explained        
D.It was explained

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_____ scores of times , but he still couldn’t understand it .

A.Having explained                     B.Having been explained

       C.Though it was explained                D.It was explained

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_____ scores of times , but he still couldn’t understand it .

       A.Having explained                    B.Having been explained

       C.Though it was explained               D.It was explained

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_____ scores of times , but he still couldn’t understand it .

A.Having explained                              B.Having been explained

C.Though it was explained                       D.It was explained

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