Question

What did they do?
1. What did they do?
2. Why have you bought this?
3. Are you reading the book?
4. Do you know him? 5. Was he taking tea?
6. Have you done the work?

Answer 1

• they are doing their work
• because you are in need of it
• no. i am not reading this book
• no, i dont know him
• yes , he was taking tea
• yes , it is in continuty