14. The teacher told us the moon travels ________ the earth.

13. Don’t read _______ the sun. It’s bad ________ your eyes.

12. It’s very kind _______ you to help me _______ my maths.

11. –How do you usually come to school every day?

-Sometimes _______ bike, sometimes _______ foot.

10. Do the twins look _______ their father?

9. Don’t laugh _______ others’ mistakes.

8. I couldn’t finish it _______ your help.

7. Thank you very much _______ coming to see me.

6. What’s wrong _______ your bike?

5. It’s not good to come late _______ school.