He was riding to school_____ he saw the accident this morning. [ ]A. whenB. whileC. as D. so-九年级英语

题目简介

He was riding to school_____ he saw the accident this morning. [ ]A. whenB. whileC. as D. so-九年级英语

题目详情

He was riding to school _____ he saw the accident this morning.
[     ]
A. when        
B. while        
C. as            
D. so
题型:单选题难度:中档来源:江苏期中题

答案

A

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