Scientists have many theories about how the universeinto being.A.cameB.was comingC.had comeD.would c

题目简介

Scientists have many theories about how the universeinto being.A.cameB.was comingC.had comeD.would c

题目详情

Scientists have many theories about how the universe         into being.
A.cameB.was comingC.had comeD.would come
题型:单选题难度:中档来源:不详

答案

A

试题分析:考查时态。宇宙的形成是过去发生的事情,故使用一般过去时。句意:科学家们有很多关于宇宙是如何形成的理论。根据句意说明A正确。
点评:对于时态的考查要放个在具体的语境中,不能孤立,。

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