1.No one knows___

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1.No one knows___
A.what he is writing about
B.whose he writing to
C.whom he is writing
D.that he is writing with

No one knows （A、what he is writing about）.
没人知道他正在写什么.
括号中填的部分是个宾语从句.其他三项都有问题,具体分析如下---
B.whose he writing to：疑问词错,应该是who（whom）.
C.whom he is writing：不完整,缺少介词to,应该为writing to.
D.that he is writing with：疑问词错,that应该改为what.

1.No one knows___ no one knows___,so we can do nothing about it. Up to now,no one knows___ came first,the chicken or egg A.wh I'm afraid that no one knows___.A.When will the no one no one no 英语翻译1.No one believes that he will succeed.No one believes b no one和no one else “No.”加One还是one? 1.no parking 2.no entry 3.no left tnrn 4.one way 5.turn righ no one can know No one knows_______