在这个句子为什么只能用that 不用 who Who is the woman ____ is sweeping the

在这个句子为什么只能用that 不用 who Who is the woman ____ is sweeping the Who is the young woman ____ brown? Can you tell me__?who the woman is 为什么对?whom that woman is 为 Who is the woman?回答 一道英语题Who is the woman ____ black? Who is the woman ____ black?用介词填空 is that who woman 如何连成句子 is ,who ,floor ,the ,sweeping?(用现在进行时组句 who is the woman ( ) the sunglasses The boy ___ is standing there is my brother.为什么答案选WHO 不用THAT who is the girl （that）is crying.为什么不能用which? Who is that woman 翻译