Tomrealizedthathe________hisphysic

发布时间:2020-07-12 05:18:22

Tom realized that he ________ his physics book at home when he reached school.












A.left











B.had left










C.was leaving










D.leaves

网友回答

B解析本题考查过去完成时的用法,由had+过去分词。我们可以看到意识到和到都是过去的动作,而忘记带物理书则是在意识到之前,故为过去的过去,选B。
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