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