1. It takes Huy three hours doing his homework every evening

=> to do

2. Viet got up early and do morning exercises yesterday

=> did

3. Does Nam's mother always go to work by a bus ?

=> bu bus

4. My father has less days off than Tim's father

=> fewer

5. Hoa prefers reading books to play video games

=> playing

6. After each lesson we often have a ten-minutes rest

=>ten-minute

7. Million of foreign visitors come to Vietnam every year on their holiday

=> Milions

8. Sorry, You can't speak to Loan because she has a bath

=> is having

9. My sister likes playing badminton but she doesn't play it very good

=>well

10. My brother doesn't like durians,and I don't like them, too

=> either