题目内容
【题目】 Unluckily, a car accident _____ on this road last week.
A. happened B. was happened
C. was happening D. has happened
【答案】A
【解析】
试题分析：句意：不幸的是上周这条路上发生了一场车祸。happen是不及物动词，没有被动形式。事情发生在上周，要用过去式，故选A.
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题目内容
【题目】 Unluckily, a car accident _____ on this road last week.
A. happened B. was happened
C. was happening D. has happened
【答案】A
【解析】
试题分析：句意：不幸的是上周这条路上发生了一场车祸。happen是不及物动词，没有被动形式。事情发生在上周，要用过去式，故选A.