срочно! помогите пожалуйста !

Раскрой скобки, употребляя Present Perfect Continuous.
1. We (to talk) about it for two hours now.
We have been talking about it for two hours now.
2. Look, your sister (to dance) with a handsome boy since she came.
3. My hands are dirty. I (to repair) the car.
4. Mary is still doing the test. She (to do) it since 3 o'clock.
5. You look sunburnt. - I(to sit) in the sun for 2 hours.
6. She (to play) tennis since she was eight.
7. Steve (to make) a shopping list for 2 hours.
8. Martin (to try on) a new coat for half an hour.
9. Kate (to choose) a pair of jeans since 11o'clock.​