in, for, back, of, to, over ,into 1. Never talk.to..to your grandparents. 2. Classes are.over.. . You are free. 3. What's your mark. for..the French test? Whats his mark...French? 4. I don't know what happened.to..him in Africa. 5. I'll pay.for..your lunch. 6. We are afraid.of..being late. 7. Jason made 3 mistakes.in..spelling. 8. We are having an examination.for..him. 9. His parents want to give university education.to..him. 10. Are you sure.of..this fact? 11. Grace talked me.into..buying these felt - tips. She liked them very much. 12. Do you often write.to..your aunts and uncles?