A：___Mr.and Mrs.Black___?B:They are playing chess._英语解答

A：___Mr.and Mrs.Black___?B:They are playing chess.

人气：357 ℃　时间：2020-04-03 01:24:27

解答

What are doing
看到答语 A + am/is/are + doing Sth.某人正在做什么的,就可以用它相对应的问句" What + am/is/are + A doing?" 来提问.