It worried her a bit ________her hair was turning gray.A．whileB．ifC．thatD．for_刷题宝

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It worried her a bit ________her hair was turning gray.

A．while	B．if
C．that	D．for

上一题下一题 0.64难度单项选择更新时间:2014-07-10 05:39:40

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