every family will have their own robot中their是否用错?是否用his?

every family will have their own robot中their是否用错?是否用his? 是every has his own idea还是ideas ,这里用his对吗?还是应该用their veryone will have their own shortcomings Everyone has their own friends,so have I.这句话是否有错误? The couple have their own job ,have a family and a car is wa Everyone has their own way of life.这句话用their还是his 还是都可以用.好像有 most family have their own cars in our town now同意 翻译下the old works each have their own tool,为什么用have Everyone has (his/their) own (answer/answers)? people in the future have their own robots.为什么没用 will have 用his、her、their造句 They have their own take on politics. 句子中的take one 是什么意思?什么用