Jawaban:

11. If she borrows your coat, then you should be able to borrow hers.
12. Each pot and pan in her kitchen has its own place in the shelf.
13. Mary and mike invited theirs parents to see theirs new apartment.
14. When my roommate paid her half of the rent, I paid mine.
15. All students need to bring their own pencils and answer sheets to the .exam.

16. All of her secretaries are working late tonight to finish her report.
17. The horse trotting around the track won its race a few minutes ago.