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最佳答案:egan,begun
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最佳答案:egin过去式:began过去分词:beguning:beginning
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最佳答案:know knew knownhave had hadtry tried triedsing sang sungbegin began begun
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最佳答案:think thought thoughtsit sat sittenbegin began begunrun ran run
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最佳答案:过去式 过去分词 汉意1 preferred preferred 宁愿2 flew flown 流动3 dreamt (或dreamed) dreamt 做梦4
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最佳答案:1.lose-lost-lost2.run-ran-run3.give-gave-given4.take-took-taken5.say-said-said6.
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最佳答案:1.began begun 2.sent sent 3. listened listened 4. went gone 5. taught taught 6.