needn‘t和don't have to解释是什么?怎么用?
问题描述:
needn‘t和don't have to解释是什么?怎么用?
答
needn't不需要,是对should的否定回答
don't .have. to. 没有必要
答
一样,不需要.needn't用在否定回答.don't have to用途广泛.