One thousand. Eto odna tysyacha
1) book's title
2) country's economy
3) government's decision
4) boy's work
5) three week's holiday
6) Tom's and Jany's wedding
7) children's toys
8) sister's bedroom
9) brother's-in-low house
10) my wife's hobby
11) the Millers's car
12) her boyfriend's photo
13) last Saturday's newspaper
14) Professor Jones's umbrella
Вроде так)