Look around when _____ the street. A.acrossB.crossing C.crossedD.to be crossing-英语

题目简介

Look around when _____ the street. A.acrossB.crossing C.crossedD.to be crossing-英语

题目详情

Look around when _____ the street.
A.acrossB.crossing C.crossedD.to be crossing
题型:单选题难度:偏易来源:不详

答案

B
. 当现在分词作时间状语时,前面可以加上when和while.

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