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I to phone her all day, but whenver I phone her, the line is engaged. A.tried B.

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I to phone her all day, but whenver I phone her, the line is engaged. A.tried B.

I ___________ to phone her all day, but whenver Iphone her, the line is engaged.

A.tried             B.had beentrying     C.have tried         D.have beentrying

 

试题答案

【答案】

D

【解析】

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