none of Mary,Betty or Tom are students 还是none of Mary,Betty and Tom are students怎么用

none of Mary,Betty or Tom are students 还是none of Mary,Betty and Tom are students怎么用 Mary and Betty are The storm prevented Betty and Mary ( ) yesterday.A.leaveB.to leaveC.from leavingD.of leaving The storm prevented Betty and Mary ( ) yesterday.A.leaveB.to leaveC.from leavingD.of leaving 1 ——（be）either she or you to attend the meeting?——is2 ancient and modern history——（be）the subjects we are studying——are3 nobody but betty and mary——（be)late for class yesterday——was4 none of your projects——（wor none of none of what does mary want betty to get? Mary looks down today.What is up?Welll,whoever/whatever happened between Mary and me is none of your businessm,whoever/whatever 应选哪一个 none of造句 用none of造句 none of them none of my business None of you stuff none of people意思 none of you do 短文：mary has four cousins.they are betty,peter,bill and ann.mary is the oldest of the five.betty is thirteen years old.she is two years younger than mary and one year older than peter.bill is nine,and ann,the youngest ,is seven.提问there are__ nobody but betty and mary _____late for class yesterday