2.16 помогите срочно .пожалуйста

1. -Is she a teacher? -Yes, she is. 2. You are not children.You are students. 3.Are they in class now? -No, they aren't. 4.-Who are you? -I am a student. 5. She is my friend. 6. He is not a doctor. 7.These are my children.(They are my children- так желательнее) 8.What is it? -It is a new book. 9.Where was he last week? 10.We are friends.