you ____ smoke填don't have to 还是mustn't
you ____ smoke填don't have to 还是mustn't
you don't have to smoke in the non-smoking room.为什么用don't ha
you mustn't stop to have a rest if you don't finish your wor
You mustn't smoke here.(改为祈使句)
Don't learn to smoke,or it will ____ harm to you
can,can't,must,mustn't,needn't,be allowed to,have to,don't h
You mustn't smoke here ,_____ ______?They must have seen the
Don't you have ____ work to do?填空
1 You _____ (don’t have to/mustn’t)park on the corner.It’s d
英文mustn't,don't have to,doesn't have to,didn't have to有什么区别
You will go to America,____ ____?don't you 还是 won't you
you mustn't smoke here,must you?翻译