. Suddenly everyone stopped talking. It became clear that something unexpected _____. But, for a whi

题目简介

. Suddenly everyone stopped talking. It became clear that something unexpected _____. But, for a whi

题目详情


. Suddenly everyone stopped talking. It became clear that something unexpected _____. But, for a while, I didn’t know what it was.
A.has happenedB.is happeningC.happenedD.had happened
题型:单选题难度:偏易来源:不详

答案

D

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