I was out town at the time, so I don’t know exactly how it ____________________.A.has happenedB.hap

题目简介

I was out town at the time, so I don’t know exactly how it ____________________.A.has happenedB.hap

题目详情

I was out town at the time, so I don’t know exactly how it ____________________.
A.has happenedB.happenedC.happensD.was happening
题型:单选题难度:中档来源:不详

答案

B
考查时态。句意:那时候我出城了,因此我确实不知道它是怎么发生的。可以从句描述的是我出城使发生的动作,故用过去时态。选B。

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