Summative assessment for the unit the natural world 8 класс

actually, the correct way to write this:

1. when was the radio invented?

2. the book was written by pushkin.

1. c) to stay

2. a) to have

3. b) stay 

4. c) listening

5. b) is

6. b) for

7. c) no, a) some

8. c) was

9. b) since

10. c) did

11. a) she said she was having breakfast.

12. a) the

13. c) will/-

14. a) the/the

15. b) in

16. a) wants

17. b) off

18. d) in

19. d) shorter

20. b) was already started

21. c) to wake him up

мне  необходим  неполный рабочий день, чтобы заработать  немного денег.  я читал некоторые  рекламные объявления.  какую работу  я  выберу?

there are 15 tables in our class   our teacher is kind     she works very hard     board in our class is big     it is blue and nice