2 Cathy is late because she's be / been talking to Emma on the phone.
3 Dad has got oil on his hands because he's been repair / repairing the car.
4 The CD is great! I've just being / been listening to it.
5 Steve has / have been running in the 2 km race, so he's thirsty now.
6 The boys are dirty because they've been camp / camping in the mountains.