I think every student ----in the classroom witnessed the str

学习时间:2026-10-24 08:09:39 阅读：8697

I think every student ____in the classroom witnessed the strange chemical changeA.remainingB.leavingC.to remain D.to leave为什么选A?

淡定的鱼

2026-10-24 08:09:39

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这是一个带定语从句的complex。现在分词remaining表主动。用leave就该用left了。因为leave相当于not take,所以从句意逻辑看来要用过去分词表被动。后面两个用不定式明显错误。