Réponse :
1. w) I haven't seen him since last year
2. r)
3. w) He's been a car salesman since he graduated from high school
4. r)
5. w) How long ago did the demolition start
6. r)
7. w) It has been a long time since she has been ill
8. r)
9. w) They'd been searching for the wreck for years when the divers came across it by chance.
10. r)
Explications :
