I was about to get on the bus someone called.A. asB. whenC. beforeD. while

发布时间：2020-08-16 23:53:09

I was about to get on the bus     someone called.
A. as
B. when
C. before
D. while

网友回答

A. as
(答案→)B. when
C. before
D. while
解析：考查固定句型。固定句型：be about to do sth when….正要做某事在这时…；when是并列连词，在那时；后面的句子表示意料之外的结果。句意：我正要上车，在这时有人叫我。
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