While _____ the dog, you were careless and it got loose and was hit by a car. [ ]A. walking B. were

题目简介

While _____ the dog, you were careless and it got loose and was hit by a car. [ ]A. walking B. were

题目详情

While _____ the dog, you were careless and it got loose and was hit by a car.

A. walking
B. were walking
C. walked
D. to walk
题型:单选题难度:中档来源:0124 月考题

答案

A

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