Exercise 3:
1. Does Mai go - goes
2. give
3. won't be
4. Did you eat
5. drank
6. doesn't have
7. will be
8. watches
9. didn't see
10. left
Exercise 4:
1. Phong eats lots of junk food so he is putting his weight.
2. I do exercise daily because I want to stay healthy.
3. Sitting too close to the TV will hurt your eyes.
4. She often takes paracetamol if she gets a bad headache.
5. How many calories do you burn to do aerobics for 2 hours?
6. How old will she be on her next birthday?
7. Would you like to see a movie?
8. She lives at Tran Hung Dao Street with her aunt and uncle.
9. I live at 12 Tran Phu Street.
10. How far is it from your house to school?