Выбери и обведи соответствующие слова и структуры из данных в скобках:
1. Your hands are dirty, Sally. (Have you worked/Have you been working) in the garden?
2. Look. I (have done/have been doing) my homework, we can go to the park now.
3. Peter and Sam (have known/have been knowing) each other since they went to school together.
4. Dora (has wanted/has been wanting) to have a dog for several years.
Заранее спасибо.