1 We (live) in Addis Ababa for / since three years.
2 Zebida has been (read) that book for / since he came home. 3.
Halima (learn) to play the violin for / since she was ten.
4.My uncle (work) at the school for/since a long time.
5.I (sing) in the choir for / since I started secondary school.
6.the boys (washing) their clothes for / since over an hour ​