what ___ they _ they are __ this booka.are ding,talk to b.do do talk with c.are doing talking withd.are doing talking about

分类: 作业答案 • 2021-12-19 16:22:43

问题描述：

what _____ they _____ they are ____ ____ this book
a.are ding,talk to
b.do do talk with
c.are doing talking with
d.are doing talking about

答

What are they doing?They are talking about this book.

what _____ they _____ they are ____ ____ this booka.are ding,talk to b.do do talk with c.are doing talking withd.are doing talking about