1) Mrs.Brown's husband often gives her small gifts.
2) The _girl's coat is grey.
3)The _girls' hats are white.
4) The children's toys are all over the floor.
5) I repaired the child's bicycle.
6) Do you know my sister's husband?
7) That’s our boss'/boss's (the s is optional) office.
8) They discussed a lot of problems at yesterday's meeting.
9) It will cost us a month's salary to buy the funiture.