Viết lại các câu sau sang thể bị động
1. Should we draw a big colorful picture for the street children ?
Should a big colorful picture for the street children be drawn?
2. Who look after children for you ?
By whom are the children looked after?
3. How long have they waited for the doctor?
How long has the doctor been waited for?
4. How many marks does the teacher give you ?
How many marks are you given by the teacher?
5. What time can the boys hand in their papers?
What time can the boys' papers be handed in?