IV/
1. What is your mother doing?
2. What are An and Hung doing now?
3. That businessman is going to Hanoi.
4. Is he driving his truck?
5. Who is he waiting for?
6. Quang is driving to Hue.
7. He is taking the vegetable to the market.
8. The train is going to Nha Trang.
9. The children are playing in the garden.
10. Mai is brushing her teeth.
V/
1. goes
2. has
3. What are you doing now?
4. lives
5. plays , playing
6. are not playing , doing
7. works
8. is
9. goes
10. are
Wish you study well.