问题描述: Bob with his sister often plays volleyball.这句话为什么用"plays" 1个回答 分类:英语 2014-11-22 问题解答: 我来补答 因为 with his sister 可以放在句子的后面,而Bob又是第三人称单数,所以要用plays(即:Bob often plays volleyball with his sister ) 若Bob with his sister often plays volleyball中的with换成了and,就应该用play了.因为Bob and his sister 是两个人,所以要用复数 展开全文阅读