问题描述： He is ____ basketball with his friends. 1个回答 分类：英语 2014-09-20 问题解答： 我来补答 playing和球类名词连用要用play进行时 am/is /are + v-ing请及时采纳,不懂继续问( 天天在线 ） 展开全文阅读
