问题描述： give swim piay teach carry do buy close 的单数第三人称 和 现在分词 1个回答 分类：英语 2014-10-21 问题解答： 我来补答 gives givingswims swimmingplays playingteaches teachingcarries carryingdoes doingbuys buyingcloses closing 展开全文阅读
