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最佳答案:cleaned
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最佳答案:clean---- cleaned---cleaned---cleaning---cleans;chat--- chatted---chatted---chat
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最佳答案:cleaned
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最佳答案:我刚翻了一下牛津词典不规则动词里面不包含clean所以clean的过去式只能加ed
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最佳答案:cleaned
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最佳答案:clean do call visit want talk watchcleaned did called visited wanted talked watc
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最佳答案:gotwentcleanedstoppedwatchedstudyedtalkedmadebought希望能够帮到你!!
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最佳答案:swam studied spoke saw did taught worked read cleaned wrote took ran sat said ha
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最佳答案:双写的前提是,单词的结尾以"一个"元音字母后跟"一个"辅音字母,而且是重音在这个音节上.由于CLEAN这个单词,虽然符合音节和一个辅音字母结尾的条件,但是在结尾
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最佳答案:动词原形 过去式 过去分词do did donestudy studied studiedgo went goneclean cleaned cleanedst