4/
1. What is Tam doing?
2. Where are the boys playing football?
3. Whose motorbike is red?
4. Who is reading a newspaper in the living room?
5. What are Nam and Tuan learning?
5/
1. School year starts in September in Viet Nam.
2. How often do you go to the theater?
3. We never go camping because we don't have a tent.
4. Our teacher usually gives us a lot of homework.
5. There is a tree and many flowers in our garden.
6/ 1D 2A 3D 4A 5B 6C 7D 8A 9A