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题目
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It was only 3 hours      the policeman caught the robber.
A.beforeB.sinceC.whenD.that

答案
A
解析

试题分析:考查固定句型。固定句型:it be一段时间before从句;before引导的时间状语从句中使用一般现在时代替将来时,主句使用将来时。如果before从句使用一般过去时,前面的主句也使用一般过去时。本句意为:一段时间以后某事才发生。句意:仅仅三个小时以后警察就抓住了强奸犯。故A正确。
点评:固定句型:it be一段时间before从句;before引导的时间状语从句中使用一般现在时代替将来时,主句使用将来时。如果before从句使用一般过去时,前面的主句也使用一般过去时。
核心考点
试题【It was only 3 hours      the policeman caught the robber.A.beforeB.sinceC.whenD.】;主要考察你对句式等知识点的理解。[详细]
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