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1. I left my car in the garage
2. Mary hung her coat on the peg
3. Jack had his hair cut
4. Neil and David ate their supper
5. I hope you enjoy your holiday
6. We'll invite you round to our house 
7. You must make up your own mind
8. The children had to cook their own supper
9. Bill borrowedJenny's car. His own car was being repaired
10. I'll bring my own sheets and towels
11. Every dog habits own special basket to sleep in
12. You should do your own washing up