We were just about ready to leave _____ it started to snow.A．whenB．beforeC．afte_刷题宝

题干

We were just about ready to leave _____ it started to snow.

A．when

B．before

C．after

D．since

上一题下一题 0.64难度单项选择更新时间:2014-04-18 06:52:55

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