.No one knows about what they are doing,__?A:does she B:do t

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.No one knows about what they are doing,__?A:does she B:do they C:don't they
D:doesn't he.选哪个.请说明理由或过程谢谢.

B
当主语是everybody,everyone,anybody,anyone,somebody,someone,nobody,no one,none,neither时,反意疑问句的主语要用复数代词they.如：
None is here,are they?没有人在这儿,对吗?
Everyone knows about it,don’t they?大家都知道这件事,不是吗?

.No one knows about what they are doing,__?A:does she B:do t 1.What are you doing?( ) A.No,she isn't. what __ does she say about me?A,else B,others选哪个? no one knows what will happen__ __ __(将来） She 's very busy.She has a lot __.A do B does C doing D to d no matter what she does,she will spare no __ to do it well. She doesn't know __.A.what she can do it B.what to do C.what nobady knows where she lives,do they?还是does he What ( C ) Tom doing?A.does B.do C.is What is Jack _____(A.do B.does C.doing)? A:how about mary?what's she doing?B:_____much You are from England. What about ____? A.they B .he C.she D.