I have only one day left ___ traveling to Kunming and then flying back home. A．w_刷题宝

题干

I have only one day left ___ traveling to Kunming and then flying back home.

A．when

B．as

C．before

D．while

上一题下一题 0.64难度单项选择更新时间:2013-10-29 02:55:55

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