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最佳答案:more expensive,sharper,more interesting,more difficult,smarterthe most expensive
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最佳答案:smarter,smartestfriendlier,friendliestfunnier,funniestmore kind ,most kindshier,
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最佳答案:1.er est2.er est3.r st4.more the most5.more the most6.more the most7.more the mo