1. My sister is a teacher and she works in an international primary school.
2. My teeth hurt, so I am going to see the dentist tomorrow.
3. We want to go to the concert, but there aren't any tickets left.
4. You shouldn't listen to rock music through earphones, or you will have an earache. 5. Eating too much sugar is bad for your teeth, and it causes obesity.
6. I cannot finish my work on time, for the computer suddenly stops working.
7. People are advised to drink enough water, and do exercises regularly.
8. Jack invited me to his party but I was so busy.
9. I want to eat Tokbokki, so I am going to a Korean restaurant tonight.
10. I will go to the zoo tomorrow, and my father will take me there.

10. and 
EX8 
1 and 
2 so 
3 but 
4 or 
5 and 
6. for
7 and 
8. but 
9 so 
10 and 
Chấm điểm cho mình nha bạng xinh gái ^^ :)))