It took me quite a few minutes ________ I could recognize his face.A．tillB．whenC_刷题宝

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It took me quite a few minutes ________ I could recognize his face.

A．till	B．when
C．since	D．before

上一题下一题 0.65难度单项选择更新时间:2018-05-15 09:06:10

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