是All of the cat还是All of the cats

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和all of的用法及意思是All the classmates.还是All of the ciassmates.all 、 all of两者之间的区别? All of the student 还是 All of the students? 是all the night还是all night all kinds of books还是all kind of the books? 是She is the thinnest of all还是She is thinnest of all all the students 还是all of the students 所有的钥匙用英文怎么说,是all the keys 还是all of the keys? all,all the,all of the,of all the有什么区别?答案要准确,分别举一例句.“所有人”是all the people 还是all of thd people? all of the students是单数还是复数 all of the students 是单数还是复数 是all of them are 还是 all of they are 是all kinds of food 还是all kinds of foods? of all the 加复数还是单数 best of all这里的all是副词还是代词? 是all the student还是all the students all color of还是all colors of