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--- How long will it be President Hu Jintao makes another visit to Russia? --- It all depends. A. before B. when C. that D. until 【查看更多】

 

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--- How long will it be ________ President Hu Jintao makes another visit to Russia?

--- It all depends.

A. before　　 B. when 　　　 C. that　　　　　 D. until

 

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