Scientists have many theories about how the universe into being.A．cameB．
题型：不详难度：来源：
Scientists have many theories about how the universe into being.| A．came | B．was coming | C．had come | D．would come |
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答案
| A |
解析
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，。 |
举一反三
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The doctor said this new medicine would ________him of his cough last week .| A．recover | B．cure | C．treat | D．save |
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