Wecameacrossmany________inarriving

发布时间:2020-07-27 06:36:41

We came across many ________ in arriving here.A.difficultB.difficultsC.difficultyD.difficulties

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D解析many要修饰名词.A、B是形容词,肯定不行.C是单数,也不合适,故选D.
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