Воткните подходящую форму глагола to be. 1. Не ... bom in

Воткните нужную форму глагола to be.
1. Не ... bom in 1998.
2. We ... students now.
3. We ... good friends in our group.
4. It ... an interesting book.
5. Who ... absent today?
6. He ... a student.
7. What ... he? He ... a doctor?
8. These ... my pencils.
9. Where ... this book? It ... on the table.
10. What ... their names?
11. Mary ... a girl.
12. Who ... he?
13. What ... you?
14. This man ... in the room.
15. How ... she?
16. How ... you? I ... fine.
17. How ... your friend?
18. ... he your son?
19. Tomorrow we ... at home.
20. ... you a sportsman?
21. There ... no book on the table.
22. It ... my parents car.
23. There ... 20 students in our group now.