IX.
1. b
2. d
3. b
4. c
5. a
X.
1. Phong eats lots of junk food so he is putting on 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 bum doing aerobics for 2 hours (câu này mik ko chắc)
6. Getting enough sleep helps students do their bét in the classroom.