Переделайте предложения так, чтобы глаголы в скобках стояли в Present Continuous.

1. I (open) the door. 2. The cat (sleep) on the mat. 3. The boys (write) letters. 4. We (sing) songs. 5. Thomas (make) a model aeroplane. 6. It (rain) all day. 7. I (play) the piano now. 8. Mary (come) to see us. 9. The boy (climb) the tree. 10. The baby (drink) milk.