what （are） those people doing thay are talking with with each other 为什么要用are 不用dowhat （are） those people doing thay are talking with each other .

分类: 作业答案 • 2021-12-20 03:24:18

问题描述：

what （are） those people doing thay are talking with with each other 为什么要用are 不用do
what （are） those people doing
thay are talking with each other .

答

因为是现在进行时,结构应该是：be+动词ing