Question

Answer 1

it didn't
he did
it was
they weren't
it didn't
it wasn't
I did 
they were
they weren't
it wasn't
she did
he was
it didn't
I didn't
I wasn't
they were
he did
it wasn't

Answer 2

3. it didn't

4.he did

5.it was

6. they weren't

7.the dog didn't

8.the coffee wasn't

9.they were 

10.they were 

11.the exam weren't

12. the movie wasn't

13.she did

14. my classmate ứa

15. the train didn't

16. I didn't

17. I weren't 

18. the children were 

19. he did

20. the book wasn't