can can't must mustn't have to don't have to的区别
can,can't,must,mustn't,needn't,be allowed to,have to,don't h
can/can`t/must/mustn`t/need/needn`t/have to/到底有什么区别?如题 谢谢了
用should,shouldn’t,must,mustn’t,needn’t,can’t ,may,have to 填空
用can.can't,must,mustn't,will,have,to填空
must 和 have to 的异同?mustn't 和 don't have to 的异同?
能否解释一下musn't,needn't ,don't have to,can't ,couldn't的区别?
关于have to/must be与don't have to/can't be
英文mustn't,don't have to,doesn't have to,didn't have to有什么区别
must 和 have to 有什么不一样?mustn't 和 don't have有什么不一样?
用can,can't,must或have to 填空
must have done,must do,can't have done,can't do的区别
用can,must,musn't,have to,has to填空