I was just about to leave _______ the telephone rang.A．whenB．whileC．becauseD．sin_刷题宝

题干

I was just about to leave _______ the telephone rang.

A．when

B．while

C．because

D．since

上一题下一题 0.4难度单选题更新时间:2019-05-09 09:22:00

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