what are they 和 what they arelook at the two people.do you know ___ A what are they talking about B waht they are talking about.我知道是选比 但是请问为什么啦?这个和句型或者DO 有什么关系吗?

问题描述:

what are they 和 what they are
look at the two people.do you know ___ A what are they talking about B waht they are talking about.我知道是选比 但是请问为什么啦?这个和句型或者DO 有什么关系吗?

B what 后引导的从句用陈述句型表达