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

发布时间：2020-08-16 23:25:06

Scientists have many theories about how the universe    into being.
A. came
B. was ing
C. had e
D. would e

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(答案→)A. came
B. was ing
C. had e
D. would e
解析：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。
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