Chia các động từ ở thì hiện tại tiếp diễn

Chia các câu sau ở thì hiện tại tiếp diễn
3. My father (read) a book.
4. The students ( do) their HW.
5. They (brush) their teeth.
6. Mr and Mrs Smith (travel) to Hanoi.
7. My sister (not do) her homework. She (sleep)
8. His parents (not work) in the factory. They (do) the gardening.
9. The girl (not do) the housework. She (watch) TV.
10. Nga (read) a book now?
11. They (play) a game in the yard?
12. The children (wash) their clothes?
13. Your mother (travel) to Danang now?
14. What Mr Hung (read) now?
        He (listen) to the radio.
15. She (travel) to work by car?