His grandparents are not used to the city life__they used to live in a different country life.A.of which.B.from which.C.in which.D.to which 请问这道题应该选择什么啊?为什么吖?

These are his grandparents连词成句 His grandparents are very healthy.(改同义句） His grandparents are ______ in good_______. These are his grandparents.（一般疑问句）——his grandparents? 连词成句 are ,not ,these ,grandparents ,his His grandparents are very healthy的同义句 求His grandparents are very healthy.的同义句 these are bot grandparents his 连词成句 his grandparents are very healthy改为反义句 His grandparents are (fine)对带括号句子提问 His grandparents are healthy.同义句转换!快~~~~~~~~~~ His garndparents are very healthy.(改为同义句) His grandparents are ___ ____ ____. 连词成句 1 are not these grandparents his 2 she aunt his is These are my grandparents. Those are his grandparents.怎么变为一般疑问句并作否定回答? My grandparents live in the c____________.There are many trees and flowers around his home. his grandparents are in good health用in good health 提问说明一下为什么这样 Mike,with his cousins ________ (is)或(are)going to visit _______(his)或（their） grandparents. These are Helen and Bob ,and ()are his grandparents.括号里填什么,并翻译该句