do you know when your brother will be back?的肯定回答和否定回答可以是Yes,I doNo,I don't
问题描述：
do you know when your brother will be back?的肯定回答和否定回答
可以是
Yes,I do
No,I don't
答
同上！
答
Yes+具体时间, 或者是No, I donot
答
可以。知道是Yes，I do。不知道是No，I don't。
答
da jiang you,lu guo
答
可以，后边是know的宾语从句，但一般习惯是，YES,后边加时间，或者NO,maybe…
答
还是可以的。
肯定回答是：Yes, I know
否定回答是：No, I don't know
答
可以的,但一般肯定答复还要对后面的提问答复.
一般是:
(Yes,I do.) He would be back at.
No,I don't (know).
答
可以