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最佳答案:cleverer,cleverest直接加er和est.
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最佳答案:clever ,cleverer,cleverestslowly ,more slowly ,most slowly
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最佳答案:cleverer cleverest
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最佳答案:cheap cheaper cheapestfit fitter fitestclever more clever the most clever 多音节
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最佳答案:clever ,cleverer ,the cleverstbrave ,braver ,the bravesthardworking ,more hardwo
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最佳答案:cleverer,cleverest / more clever ,most clevermore quiet most quitemore polite mo
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最佳答案:cleverer (或more clever)cleverest(或most clever)nicer nicest bigger biggest young