mustn't 可以拆开变成must not么
mustn't 可以拆开变成must not么
mustn't 等于什么?除must not外
mustn't=must not吗?看问题补充
must在什么时候可以用否定的,即mustn't?
must的否定回答可以是mustn't吗
那个~老师~must否定可以用mustn't吗?
添must或mustn't.
变成祈使句1.You must come here.2.Please to there.(not)3.You mustn
He must go填反义疑问句,是写mustn't he 还是does not he
We ______laugh at our classmates.A.must B.may not C.mustn't
May i go swimming now?no,you (mustn't/may not).YOU must fini
We are not allowed to touch it.We__touch it A.mustn't B.must