Whenthe accident?A. was; happenedB. has; happenedC. was happebeingD. did; happen

发布时间：2020-08-16 08:12:29


When    the accident    ?
A. was; happened
B. has; happened
C. was happebeing
D. did; happen

网友回答

A. was; happened
B. has; happened
C. was happebeing
(答案→)D. did; happen
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