根据短文内容，回答下列问题。

    UncleTom and Aunt Mary come from America. They are living in China with their children now. Tom is a teacher. Mary is a housewife.Their daughter Alice is a doctor. She works from Monday to Friday. She works hard. She is good at singing Chinese songs. Jack and Sam, their sons, are twins. They study in the same school but in different classes. Every morning Mary gets up early and cooks for her children. They usually have Chinese foodfor breakfast. Sometimes they have some bread and milk. They often say the Chinese people are friendly to them. They love Chinese people. They love Chinese food. They love China.