是all the student还是all the students

是all the student还是all the students We are all student We all are student请问是We are all student 还是 We all are student All of the student 还是 All of the students? student前加什么.是most,all还是some The bell rang __ all the student went out of the classroom 用and还是but 是all the night还是all night Jason is the most hard working student()all the student ____ want to see the film.A Every student B Each student C All of students D All the students帮我看下是选择C还是D好些? all the student 和 all the students 的区别 the good student后面是have 还是has?还有为什么 是All of the cat还是All of the cats 是all people还是all the people还是all of the people? all the后面是单数还是复数 一年到头是all year round还是all the year round 是in all subjects 还是in all the subjects 全体员工 是 all the staff 还是 all staff? 全体员工 是 all the staff 还是 all staff? My cousin is the best student in his class.My cousin is___ ___ ___in his class.（同义句）是a top student还是the top student,为什么?