1. Be quiet! They're writting a dictation!
2. What is your dad doing right now? - I think, he's teaching children at school.
3. Where is Sue? - She's reading a book.
4. What are they doing? - They're building a new school.
5. Look, your mum is waving goodbye to her schoolchildren.
6. We're playing computer games. Join in!
7. Don't switch the radio off! I'm listening to it.