Ex4
1. clean
2. breathing
3. need
4. harmful
5. motorbikes
6. pollution
Ex5
1. VTV 3 has a lot of interesting programs.
2. There are 34 students in my class.
3. I like watching "Tom and Jerry" on TV (không chắc)
4. I am interested in watching TV.
5. Duong is the best in the class.
6. Huong is not as tall as Minh.
7. Xuan Bac is the funniest.
8. The children are interested in dragon dancing on the street at Tet.
