C

Activities: playing sports, walking, watching TV, gardening, swimming, doing aerobics, exercising, cycling, sleeping, relaxing. 

Còn lại là ô Symptoms nhé

\(x=-12\)

\(y=-28\)

enjoyment

\(x=0\)

2. have bought

3. haven't planned

4. have you been

5. has written

6. hasn't seen

7. Have you been

8.  hasn't started

9. Has he spoken

10. hasn't had

30. B

31. A

32. A

33. B

34. C

35. B

36. A

Đúng nhé bn

\(5\dfrac{1}{10}\)

ở bản đôn.