题目内容
【题目】When the traffic accident ______, I was taking a walk with my pet dog by the road.
A.happenedB.happen
C.would happenD.happens
【答案】A
【解析】
句意:交通事故发生时,我正带着我的宠物狗在路边散步。
A.happened发生,一般过去时;B.happen发生,动词原形;C.would happen将要发生,一般将来时; D.happens发生,一般现在时单三形式。由后面I was taking a walk with my pet dog by the road,我正带着我的宠物狗在路边散步。可知,前面交通事故发生应该使用一般过去时态,故选A。
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