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A. I'm interested in traditions of different cultures.
B. I'm interested in the ocean.
C. I'm not interested in History.
D. I'm interested in pop music.
E. I'm interested in wildlife.
F. I'm not interested in Math.
G. I'm not interested in sports.
H. I'm interested in animals.

Bài trang 100.
2.
B. How old are they?
C. What did the nurse do with Hoa?
D. How often do the students have a medical check-up?
E. Why did you visit the dentist?
F. How do you feel now?
G. Who did Hoa follow?
H. What does he wear at work?
3. 
B. Yes, I learnt/learned lessons about healthy food.
C. Yes, I went to school five days a week.
D. No, I didn't have any shower.
E. No, I didn't any sports yesterday.
F. Yes, I felt very well last week. 
G. Yes, I washed my hands before meals.
H. Yes, I brushed my teeth three times a day before.