Ответьте на вопросы....
1.Are you a schoolboy?
2.Is your sister a doctor?
3.Are those girls your friends?
4.Are they teachers or students?
5.Is your friends at home now?
6.Is that page one or page two?
7.Is this a text-book or an exercise-book?
8.Are those doors yellow?
9.Is that cup white?