31. A: I lost my red pen.
B: You should keep it in your pencil case.
32. A: I feel really sick.
B: You shouldn't play outside.
33. A: I've got a toothache.
B: You should see a dentist.
34. A: I'm very worried about my exams!
B: You shouldn't worry so much.
35. A: I broke my brother's new camera.
B: You should tell him tonight.