-Must I wash dishes after supper?-No,you ( ).A mustn't.B don't have to.C don't.D must.

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-Must I wash dishes after supper?-No,you ( ).A mustn't.B don't have to.C don't.D must.

-Must I wash dishes after supper?-No,you ( ).A mustn't.B don't have to.C don't.D must.
-Must I wash dishes after supper?-No,you ( ).A mustn't.B don't have to.C don't.D must.

-Must I wash dishes after supper?-No,you ( ).A mustn't.B don't have to.C don't.D must.
选B
回答的意思是:不,你不需要洗碗.A是禁止,C是回答一般疑问句的,D是必须,与No不匹配.只有B表示不需要,相当于needn't