Question

用must提问的一般疑问句应该怎样做肯定回答和否定回答？

Answer 1

yes,you must.
no,you needn't.

Answer 2

Yes,I do
No,you needn't

Answer 3

kengding : yes you must
fouding : no you needn't

Answer 4

Yes,you must
No,you mustn't