Помогите! Use the Present Perfect Continuous and for or since for each of the following situations.
d.Omar"s father started driving his car when he was 20 and he is still driving it.
................................ since he was 20
e.Carol"s father began learning Kazakh 7 months ago. He is still learning Kazakh.
................................ for 7 months.
f.Dmitry started learning Kazakh a year ago. He is still learning it.
Dmitry ...................... since last year.
g.Our teacher began telling us a story about school children of Britain at 3 o"clock.He"s still telling us the story. It is interesting. It"s now 3:45.
...................................... for 45 minutes.