Exercise 2

Choose the correct form...
  1. What  [are] they watching?
  2. What is he doing? > He  [is singing] .
  3. We  [aren't] staying at a hotel.
  4. Is she listening to me? – Yes, she  [is] .
  5. They  [aren't] watching TV. They  [are] playing chess.
  6. What  [is] your brother doing?
  7. She  [isn't] sleeping.
  8. What  [are] you drinking?
  9. He  [is going] to work.
  10. Why  [is] Susan sitting on the table?