9.19.How many hours of sleep do teenagers need every night?
A.Between 9 and 10.
B.Between 10 and 11.
C.Between 9 and 11.
20.When should teenagers go to bed at night to get enough sleep?
A.Before 10:30 p.m.
B.At around 10:00 p.m.
C.After 10:30 p.m.
21.How do they feel when teenagers don't get enough sleep?
A.Unhappy.
B.Excited.
C.Angry.
22.Where does Tom's mother work?
A.In.school.
B.In a hospital.
C.In a music club.
23.Who wants to learn Chinese?
A.Tom's brother.
B.Tom's father.
C.Tom.
24.How often does Sam go swimming?
A.Every afternoon.
B.Twice a week.
C.Five times.week
25.What lessons does Tom want to take on Fridays
A.Music lessons.
B.Piano lessons.
C.Guitar lessons.