we got to the station, the train had left already. A. If B. Unless C. Since D. When 【查看更多】

 

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_______ we got to the station, the train had left already.

A. If        B. Unless      C. Since      D. When

 

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_____ we got to the station, the train had left already.

A. If            B. Unless              C. Since                  D. When

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_____ we got to the station, the train had left already.

A．If

B．Unless

C．Since

D．When

 

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