ought to能否用do提问
ought to能否用do提问
ought not to do sth什么意思怎么用
ought to do sth 是什麽意思
用ought not to造句
ought to
__you ought to do is to see a doctor.
用should,ought to,have to填空.
ought to do和have to do以及should do有什么区别?
have to do .should do .ought to do .must.的区别
英语翻译最好用祈使句哦,do not ,should,ought to,must you'd better等都行家庭规则
用什么提问to do 不定式
高中英语小问题ought to do 中 到底是 ought to 就是一个固定短语 还是 to do 是不定式用法to