He was about to leave the office for home _______someone knocked the door and asked for some help.A

题目简介

He was about to leave the office for home _______someone knocked the door and asked for some help.A

题目详情

He was about to leave the office for home _______someone knocked the door and asked for some help.
A.untilB.whileC.asD.when
题型:单选题难度:偏易来源:不详

答案

D

试题分析:句意:他正要离开办公室回家这时有人敲门求助。固定句型:be about to do …..when 正要做某事……这时,选D。

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