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solve过去分词 solve的过去式、过去分词
solve的过去分词 它的过去时和过去分词都是solved.例:This problem has been solved.过去分词I solved this problem yesterday.过去时solve的过去式、过去分词 solve...
solve的过去分词 它的过去时和过去分词都是solved.例:This problem has been solved.过去分词I solved this problem yesterday.过去时solve的过去式、过去分词 solve...