thay đổi câu thành câu chủ động
1. more in rormation was given to us by her
-...........
2. All the workers of the plan were being instructed by the chief engineer
- ........
3. tea cannot be made with cold water by them
-......
4. the engine of the car has to be repaired
-.....
5. we were given two exercise books by the teacher
-..........