A Lan and mary are my mother's parents.they are my grandparents.grandparents用加复数吗

A Lan and mary are my mother's parents.they are my grandparents.grandparents用加复数吗 英语翻译A：How do Bob and Mary get to school?B：Bob takes the train and Mary takes the subway.A：How does John get to school?B：He takes the bus.A：How do Paul and Yang Lan get to school?B：They walk .Look,there they are now! Mary and Betty are ( )are good friends.A.I and Mary B.Mary and I Tom and Mary are __.A.English B.Englishs Tom and Mary are in a new f_____ classroom jim and mary are _china Kate and Mary are A________ A：Hello,Mary.__(!)are you?B:i'm fine.Thank you ,And you A:i'm _(2),too.Thanks.补充对话 _____school bags are on the desk .A.Mary and Tom's B.Mary's and Tom's C.Mary's and Tom Merry Christmas,Mary!Merry Christmas,Mary!What are you going to do during the holidays?I'm going to vist my parents and brother back home.______A have a safe tripB Hove a good restC bood-byeD Go well what are mary and linda doing?they are music.a listenb hearingc listening to -----____school bags are these?-----They are Tom's and Mary's.A.Whom B.WhoseC.Who tim,mary and lucy【】students.A.are all B.all are I'm (heavier) (than) Mary,and my eyes are (bigger) than (her)错在哪 Tom and Mary are brother and sister.they ____ in a large house. 选词填空,完成对话.(并解释一遍)Mary:(1),Lucy!How are (2)?Lucy:(3)bed,thanks.And you?Mary:I'm fine,(4).Lcyu:Look at (5) skirt.Mary:(6)smart.Lcyu:Thank you.(7)dress is nice,too.Mary:Thanks.(8)is a new dress.( )1.A.Look B.Hi C.OK( )2.A.your Mary and Alice _____good at Chinese .A、are all B、all are C、both are D、are both