You will soon notice many major __ (improve) in your health.

You will soon notice many major improvement in your health.

конкретный смысл имеют те, которые называют оменно тот предмет(та чашка, именно та вилка) а общий которые называют предметы вообще(девочка, лист)

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