Заполните пропуски соответствующей формой глагола to be. 1. students. 2. this a cup.3. they doctors? no, they not. 4. the table in the room. 5. he at work. 6. brother at the college? yes, he 7. your mother at home? no, she not. 8. your book on the teble? no, it not, it in my bag. 9. you a student? yes, i 10. his parents moskow.