Mary and Betty are

Mary and Betty are none of Mary,Betty or Tom are students 还是none of Mary,Betty and Tom are students怎么用 nobody but betty and mary _____late for class yesterday 首字母填空 Betty,Mary,David and Peter are going to Yinfa Home for the Aged on March 5th.Betty,Mary,David and Peter are going to Yinfa Home for the Aged on March 5th.They are going to h____ the old people there.Betty is going to look after Granny Are these()books,Betty and Lily Linda and Betty are _______(女教师) 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__ jim and mary are _china Kate and Mary are A________ Dick and Betty are sister and brother 对么 Mary is 3 years younger than Sam,and 1 year older than Betty.So Sam is ( ) years ( ) than Betty Betty and Kitty are twins.问 ：Betty is Kitty's sister 判断题,对还是错 Betty and Kitty are twins.问 ：Betty is Kitty's sister 判断题,对还是错 Is betty china 玲玲and daming are my friends Kitty and Betty are tall.改为否定句,意思不变. Betty and Tony are Americans.(改为同义句) 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