a few,some,several,a lot of的用法和区别

a few,some,several,a lot of的用法和区别 several与a few的区别和用法 a few 和 several 的区别 a number of 、the number of、little 、 few、 several 的相关用法及区别.谢谢 “a lot”和“a lot of”的用法和区别 many、much、a lot of、lots of的区别用法 a little、little、a few、few的区别 several是不是等于a few和some a few,a few of,a lot和a lot of有什么区别? a number of 与several和only a few的区别 little,a little；few,a few;lot a lot 的用法及区别 any some little a little few a few 的区别和用法 a few的同义词是a lot of还是some?