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英语
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The classroom is so clean,Someone __must____ clean it just now.为什么用must.just now是表过去啊
人气:280 ℃ 时间:2020-04-14 00:35:49
解答
must 此处用作情态动词,没有过去式和三单等变化,只用must原形.
翻译:这个教室这么干净,刚才一定有人打扫过了.
must 一定,表示推测.
无疑后请采纳.
书山有路勤为径,学海无涯苦作舟.
-----------与君共勉-----------
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