When _____ the accident _____? [ ]A. was, happenB. did, happen C. is, happen D. was, happened -九年级英语

题目简介

When _____ the accident _____? [ ]A. was, happenB. did, happen C. is, happen D. was, happened -九年级英语

题目详情

When _____ the accident _____?
[     ]
A. was, happen
B. did, happen
C. is, happen
D. was, happened
题型:单选题难度:中档来源:期中题

答案

B

更多内容推荐