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It was the early 2000s mobile phones were widely used in China, it was considered the patent of the rich. A. that; in which B. when; before which C. that; after which D. when; in where 【查看更多】

 

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It was the early 2000s ______ mobile phones were widely used in China, __________ it was considered the patent of the rich.

A. that; in which　 B. when; before which　 C. that; after which　 D. when; in where

 

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