用适当介词填空。
1. If you work harder _____ now on, I think you will do better in the coming exam.
2. We sat around listening _____ music when my mother came in the room.
3. Look _____ the boy. He is dressed _____ a red T-shirt. How cool!
4. Miss Lin is very popular _____ teachers and students.
5. Go _____ this street, turn left _____ the second turning, and you'll find the park is front of you.
6. You shouldn't believe everything you read _____ the newspapers.
7. I'll tell you all _____ it when I get back.
8. You look tired. You'd better be out to play instead _____ working.
9. I usually walk to school, but _____ bus when it rains.
10. Teenagers should keep away _____ net bars.
