–Must I finish my homework,Mum?–_______ A.Yes,y

问题描述:

–Must I finish my homework,Mum?–_______ A.Yes,y
–Must I finish my homework,Mum?
–_______
A.Yes,you must.B.No,you mustn't.C.No,you needn't

A和C,must的肯定回答还用must,否定回答用need't或don't have to,must not 是禁止的意思!给个好评吧,亲~