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Her sister left home in1998, and since. A.had not been heard of B.has not been h

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Her sister left home in1998, and since. A.had not been heard of B.has not been h

Her sister left home in1998, and       since.

A.had not been heard of

B.has not been heard of

C.had not heard of

D.has been heard of

 

试题答案

【答案】

B

【解析】

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