Question

The chair has 4legs改为一般疑问句,并做出肯定回答和否定回答？

Answer 1

一般疑问句
Has the chair 4 legs?
肯定回答 Yes ，it has
否定回答 No， it hasn't

Answer 2

Does the chair have four legs?
Yes, it does.
No, it doesn’t .

追答

或者：Has the chair four legs?
Yes, it has.
No, it hasn’t.
这是英国英语习惯用法。(而美国英语习惯用does, doesn’t)