Complete the sentences. Use for and since.

1. Frankie has had a bike for a few years / since he was nine.
2. I've been on holiday since Tuesday / for a week.
3. Mrs Smith has been ill for three months / since February.
4. We've had a summer festival in our town since 1900 / for more than 100 years.
5. George has been in the library for an hour / since four o'clock.