Ответьте ** вопросы(спасибо заранее)17. Is Boris Petrov putting his exercise-book on the...

Question

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?

Answer 1

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