问题描述：
What do you think of the TV play?
2.An accident ____ on this road last week.
A.has been happened B.was happened
C.is happened D.happened
这题选什么为什么
2.An accident ____ on this road last week.
A.has been happened B.was happened
C.is happened D.happened
这题选什么为什么
问题解答：
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