【单选题】听力原文: The family is changing. In the past, grandparents, parents, and children used to live together, and they had an extended family. Sometimes two or more brothers with their wives and children were...
【单选题】听力原文: The family is changing. In the past, grandparents, parents and children used to live together, and they had an extended family. But family structure is changing throughout the world. The nuclear...