I was just about to leave ______the telephone rang.A．whileB．asC．beforeD．when_刷题宝

题干

I was just about to leave ______the telephone rang.

A．while

B．as

C．before

D．when

上一题下一题 0.85难度单项选择更新时间:2010-07-15 11:00:19

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