Odpowiedź:
2. You have just arrived to meet a friend who is waiting for you. You ask :
Have you been waiting long?
3. You meet a friend in the street. His face and hands are very dirty. You ask :
What have you been doing ?
4. A friend of yours is now living in Baker Street. You want to know ' How long...? You ask:
How long have you been living in Baker Street?
5. A friend tells you about his job - he sells computers. You want to know ' How long ..?' You ask :
How long have you been selling computers?
Wyjaśnienie:
