He was generous with his time, ________ I was grateful.A．in whichB．on whichC．to_刷题宝

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He was generous with his time, ________ I was grateful.

A．in which	B．on which
C．to which	D．for which

上一题下一题 0.85难度单项选择更新时间:2015-02-10 08:35:30

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