Make 5 questions.
They are writing the letters from 4 to 5 o'clock in the classroom.

1. Are they writing the letters from 4 to 5 o'clock in the classroom? 2. Who is writing the letters from 4 to 5 o'clock in the classroom? 3. What are they are doing from 4 to 5 o'clock in the classroom? 4. When are they writing the letters in the classroom? 5. Where are they writing the letters from 4 to 5 o'clock? 6. They are writing the letters from 4 to 5 o'clock in the classroom, aren`t they? 7. Are they writing the letters from 4 to 5 o'clock in the classroom or at home?