She must stay at school,--she?must表推测,其反义疑问句是用doesn't
问题描述：
She must stay at school,--she?must表推测,其反义疑问句是用doesn't
答
不一定。。这里是。。
答
doesn't
答
doesn't要看情态动词后的动词来回答.例：1.You must be tired ,aren't you?
2.He must have gone to Changsha,hasn't he?