needn't sth与don't need sth有什么区别?
need to do sth,need do sth.needn`t do sth和don`t need有什么不同!
needn't do sth与don't need to do可以通用吗?
don't need 和needn't 有什么区别啊?
don't need 和 needn't 有什么区别?
英语don't need 和needn't有什么区别?
don't need to do 与needn't do 有什么区别?
needn't sth.还是doesn't need sth.
don't have to do sth 是否等于don't need to do sth 和needn't do st
needn't与don't need的区别
don't need,needn't 的区别
needn't和don't need to有什么区别?haven't和 don't have 有
needn't与don't need