ошибки,
correct the errors if necessary.
1. how long you been living here?
2. i am living in this street for five years.
3. my father is looking tired. he has been digging in the garden.
4. what have you been studying lately?
5. john is reading that book for the past four days.
6. nick is studying for two straight hours.
7. my eyes are red because i have been crying.
8. right now nick has been taking a nap.