Ответ:
1. We have been waiting here for over half an hour.
2. He has been runing from table to table taking orders and serving food.
3. We have been studying since 9 o'clock.
4. How long have you been learning English?
5. She has been taking French lessons lately.
6. We haven't been exercising enough.
7. I have been cooking so I'm feeling really hot.
8. She has been going to the cinema every weekend for years
Объяснение:
Удачи и учись усерднее)