don't 后面一般跟什么否定词. 例句:You don't __[不必]wear a shirt and tie.
问题描述:
don't 后面一般跟什么否定词. 例句:You don't __[不必]wear a shirt and tie.
答
have to
don't 后面一般跟什么否定词. 例句:You don't __[不必]wear a shirt and tie.
have to