2. Everyone_ picnic in the forest yesterday.
a) Have enjoyed
b) was enjoying
c) enjoyed​

b) was enjoying

Объяснение:

Потому что там написано что пикник была 1 день назад

Everyone enjoyed picnic in the forest yesterday

meditation

similarity

feeding

identification

perception

striking

meekness 

devising

choice

requirement 

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