Present Perfect Continuous - ćwiczenie 6

This room stinks. Someone (smoke) in here.
I can speak English quite well. I (study) it for the past three years.
Where is Bob? – I don’t know. I (not/see) him for ages.
You look exhausted. What (you/do) ?
(Bob / finish) tidying his room yet?
I (try) to contact you all afternoon. Where (you/be) ?
I’m sorry I (not/write) for so long.
What’s the problem? (you/cry) ?
(you/read) Tom’s new book yet?
Dinner time at last! I (look) forward to this all day.