The doctor is very busy now and he is ________ the patient.

1. She is teaching the boy.→
   ______________________________________________________________
2. Now he is watering the trees.→
   ______________________________________________________________
3. One of the best students is writing the report about the environment.→
   ______________________________________________________________
4. We are painting our classroom now.→
   ______________________________________________________________
5. Some factories are polluting the rivers.→
   ______________________________________________________________
6. People are not hunting wild animals.→
   ______________________________________________________________
7. Look! Their aunt is taking care of the children.→
   ______________________________________________________________
8. Is the doctor examining the patient now? →
   ______________________________________________________________
9. Are the workers building the library? →
   ______________________________________________________________
10. Why are you cleaning the house? →
   ______________________________________________________________