for & since

Gap-fill exercise
By Juan Ignacio Montorio

Fill in all the gaps using for or since, then press "Check" to check your answers.

1. I've love skiing I was a child.
2. I've waited a long time.
3. He has been my best friend years.
4. I've known him we were at school.
5. I've had the idea I left university 3 years ago.