1. a four-star hotel
2. a two-week course
3. a twelve-year-old boy
4. a fifty-kilometre-an-hour speed limit
5. a two-and-a-half-hour delay
6. a nine-hour flight
7. a three hundred-page book
8. a three-week holiday
9. a two-year online course
10. a four-hundred-year-old church
11. a fifty-dollar bill
12. a ten-year prison sentence