Ответьте на вопросы(спасибо заранее)
17. Is Boris Petrov putting his exercise-book on the table?
18. Who's your friend?
19. Who's this man?
20. Are these men factory work­ers or engineers?
21. Who's this girl?
22. Where are our books?
23. Whose books are these?
24. Whose exercise-books are these?
25. What kind of room's this?
26. What kind of pencil's this?
27.What kind of pen's that?

Yes, he is.Boris Petrov is my friendThis man is Boris Petrov He is factroy workerThis girl is Borisa Petrova .My books on my table .These is my books.This is Bathroom.This is propelling pencil.That is deep pan.