2. I could express my thanks to the traveler, he had already disappeared in the rain. A.Before B.When C.Until D.While 查看更多

 

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_____ I could express my thanks to the traveler, he had already disappeared in the rain.

A. Before   B. When    C. Until    D. While

 

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_____ I could express my thanks to the traveler, he had already disappeared in the rain.

A.Before          B.When        C.Until          D.While

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