do的过去分词
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do的过去式和过去分词
回答如下。 do 的过去式是 did ，过去分词是 done 。 如： 1、He did the homework yesterday evening.他昨晚做家庭作业。 2、John had done the homework three days ago. 约翰三天前完成了家庭作业...
回答如下。 do 的过去式是 did ，过去分词是 done 。 如： 1、He did the homework yesterday evening.他昨晚做家庭作业。 2、John had done the homework three days ago. 约翰三天前完成了家庭作业...