I was about to get on the bus ____someone called me from behind.A．untilB．whether_刷题宝

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I was about to get on the bus ____someone called me from behind.

A．until

B．whether

C．while

D．when

上一题下一题 0.64难度单项选择更新时间:2011-05-20 04:53:56

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