一Why didn’t you try your best to get on the bus?一I tried to，but I could，it sta

题干

一Why didn’t you try your best to get on the bus?
一I tried to，but I could，it started moving．

A．when

B．after

C．until

D．before

上一题下一题 0.64难度单项选择更新时间:2013-01-22 08:37:18

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