1. He has forgotten his Spanish .1. since .. he left Cuba.
2. What have you done ..1. since . I last saw you?
3. I haven't seen him . 2. for.. ages.
4. It has rained ..1. since . Monday.
5. I have known him ..1. since . childhood.
6. I've known him 2. for... years.
7. - How long have you been here?
- I've been here . 2. for.. two months, ..1. since . last May.
8. - How long have you studied Chinese?
- Oh, . 2. for.. five years, ..1. since . I was eighteen.
9. - How long have you been in the library?
- I've been here ..1. since . ten o'clock, . 2. for.. three hours.
10. Peter is hungry because he has had nothing to eat . 2. for.. five hours, ..1. since . morning.
11. They have been here . 2. for.. an hour.
12. It's been foggy . 2. for.. a fortnight.
13. ..1. since . when has he been in love?