ДОМАШНЕЕ ЗАДАНИЕ:
Выберите правильный вариант ответа из предложенных.
1. 1. How long/How much have you been looking after your sister's child?
2. 2. I am really tired. I have been cleaning my house every day/all day.
3. 3. Frank is a good driver. He has been driving his truck since/from he was 20.
4. 4. My neighbour has been working at the airport for/since a long time.
5. 5. The dog has been barking at/since 6 o'clock this morning.