Ответ:
1. S I have never understood (never / understand) that rule.
2. How long have you been (you / be) ill?
3. How long has Dima been playing (Dima/play) volleyball?
4. We have been laughing (laugh) for 10 minutes.
5. We have known (know) each other for ages.
6. Valery has been travelling (travel) since Monday.
7. I have wanted (want) to have a dog since I was 5.
8. Alice has not had (not/have) a pet for about a year.
9. Mum has been cooking (cook) for hours.
10. You have been talking (talk) for ages.
11. They have loved (they/love) hiking since their childhood?
Ответ: See above.
