Ответ:

1. B) of  

2. D) is called  

3. C) of  

4. D) what  

5. B) are all the animals very big?  

6. B) some  

7. B) have never been  

8. C) asked  

9. B) very well  

10. A) as loud as  

11. C) don’t move  

12. D) say  

13. A) wants  

14. A) would like to  

15. B) don’t worry  

16. D) there is  

17. D) don’t really  

18. B) doesn’t it  

19. A) have just got  

20. C) each other