Add s/ 's/ s ' where necessary.

1. Student grades depend on their tests. 2. Charles met Helen at my parents house. 3. We all went to Charles wedding. 4. The Brown painted their cottage green. 5. The Brown cottage is shining like a new pin. 6. The juror gave a fair verdict. 7. The juror verdict was fair. 8. Tedd is driving someone else car today. 9. Let's drop in at "The Smith". 10. Women fashions change more frequently than men. 11. Their house stood on the water edge. 12. The sun rays give us light, warmth and energy. 13. Last night game was something. 14.1 need some children toys for my small nephew. 15. By going to the sale I hope to get my money worth. 16. His work was much better than many other student works. 17. Frederick was satisfied with his semester work.