Tom was about to close the window ________ his attention was caught by a bird.A.whenB.ifC.andD.till-

题目简介

Tom was about to close the window ________ his attention was caught by a bird.A.whenB.ifC.andD.till-

题目详情

Tom was about to close the window ________ his attention was caught by a bird.
A.whenB.ifC.andD.till
题型:单选题难度:中档来源:不详

答案

A
考查固定搭配。be about to do sth. when...“正要做某事时,这时某事发生了”。句意“汤姆正要关窗户时,他的注意力被一只鸟吸引了。”故选A。

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