Ответ:

Grammar: Use the Present Continuous form of the verbs. Write short forms when you can.

Hi, Granny! ... Yes, we're all fine. I'm sitting (sit) in the garden. ... Bert? Oh, Bert is doing (do) his homework in his bedroom. And Mum, Uncle Darren and Aunt Vicky are in the living room. They are talking. ... No, Dad isn't watching (not watch) TV. He is singing (sing) in the shower. I can hear him! What are you doing (you/do)?