краткий ответ на вопросы 1.Are your sister at home?Yes,
2.Has Ann got a friend?No,
3.Dothey go to school?Yes,
4.Does Sam like to read?No,
5.Is your uncle an engineer?Yes,
Has Ann got a friend? — No, she hasn't.Do they go to school? — Yes, they do.Does Sam like to read? — No, he doesn't.Is your uncle an engineer? — Yes, he is.