Open the brackets. use present perfect progressive.
1)my friend's father (to write) books since he was a young man.
2)what you (to do) here since morning?
3)i (to wait) for you a long time.
4)you (to sleep) all day again?
5)how long you (to read) this book?
! ​

Zanaar    3   14.11.2019 15:00    2