Нужна ответ знаете, пишите.

или же would you like to arrive to us?

1.when was the radio invented? 2.the book was written by pushkin. или: was the book written by pushkin?

1. did you

no, i didn't.

2. didn't you

yes, i did.

3. wasn't it

yes, it was.

4. didn't they

no, they didn't.

7. did you

no, i didn't.

8. hadn't you

yes, i had.

9. could you

no, i couldn't.

10. weren't they

yes, they were.

11. were you

no, i wasn't.

12. did you

no, i didn't. 

13. did you

yes, i did.

14. did you  

no, i didn't.

15. did you

yes, i did.