Срочно!
Переведите на русский язык. Дам 30Б
1. I have been waiting for him for half an hour
2. How long has he been waithing for the girl?
3. How long have you been studying English?
4. They have been working at this plant since the foundotion
5. The car service center has been repairing his car for a week
6. He has been collecting stomps since his childhood
7. I dont know how long she has been skating.