1. Where is your brothers ?
They are studying in the library.
2. Minh usually plays volleyball after school.
Now he is playing volleyball in the sports ground.
3. Children shouldn't stay up late.
4. Next Sunday is Nga's birthday. She will invite some friends for her birthday party.
5. He ejnoys collecting stamps and coins.
6. Next year my sister will be a teacher.
7. I am doing my Math homework at the moment