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最佳答案:原型--过去式--过去分词--现在分词fly-flew-flown-flyingreturn-returned-returned-returningmove-m
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最佳答案:sold selling
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最佳答案:过去式依次是:came lent wrote paid saw left flew spent过去分词依次是:come lent written paid se
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最佳答案:supply-supplied-suppliedfly-flew-flownplan-planed-planedrefer-refered-referedreg
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最佳答案:原形,过去式,过去分词play,played,playedstudy,studied,studiedrain ,rained ,rainedfly ,flew
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最佳答案:原 过去式 过去分词 现在分词 复数cry cried cried crying crieshave had had having havesfall fell
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最佳答案:show shownprefered preferedcost costwrote writenwent gonetook takenflew flownsaw