1. I enter the room quietly because I don’t want to wake my younger sister up.
2. He is staying up late because he wants to see the final football match.
4. I am studying hard because I don’t want to fail the examination.
5 She’s on a diet because she wants to lose her weight.....
6. I try my best to study because I want to get a good job.
7. I spend much time practising English because I want to speak English well.
8. I checked my test carefully because I don’t want to make any mistakes.
9. My father often plays badminton because he wants to keep fit.
10. I stayed up very late last night because I wanted to finish my homework.
11. I opened the window because I wanted to get some fresh air.
12. She turned down the TV because She didn’t want to disturb her roommate.
13. I ran all the way to school because I didn’t want to be late for the first lesson.