用well,subject,hard-working,happy,decide造句

用well,subject,hard-working,happy,decide造句 用hard-working造句 用 decide造句 用decide on 造句 No subject can be learned well without hard work hard-working、hard working、working hard 区别. It’s hard (study) every subject well 用所给词适当形式填空 是不是把study改成三 用 decide on sth.造句 hard-working working hard! working hard is good for you为啥用working working hard is good for you为啥用working急