do you know when your brother will be back?的肯定回答和否定回答可以是Yes,I doN_英语解答

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

人气：230 ℃　时间：2020-01-27 04:21:33

解答

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).