Since или for. Урок английского языка

1. I haven't met Jill sincefor the end of the school.

2. I haven't slept sincefor 48 hours.

3. We've lived here sincefor seventeen years.

4. I've read two books sincefor the weekend.

5. She has been in hospital sincefor Monday.

6. He hasn't played the piano sincefor he was a boy.

7. Dinosaurs have been extinct sincefor over 60 million years.

8. Jane has worked here sincefor two weeks already.

9. He worked at that company sincefor ten years before he retired.

10. They've been in love sincefor three weeks.