题目内容
【题目】Unluckily, a car accident _____ on this road last week.
A. has happened B. was happened C. was happening D. happened
【答案】D
【解析】
句意“不幸地是，上周在这个公路上发生了交通事故”。根据last week可知，用一般过去时，排除A和C，且happen是不及物动词，无被动语态，故选D。
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题目内容
【题目】Unluckily, a car accident _____ on this road last week.
A. has happened B. was happened C. was happening D. happened
【答案】D
【解析】
句意“不幸地是，上周在这个公路上发生了交通事故”。根据last week可知，用一般过去时，排除A和C，且happen是不及物动词，无被动语态，故选D。