13.
1. What is the cat eating?
2. Who is barking at?
3. Why is the girl crying?
4. Where are my friends skating?
5. Where is the bird flying?
14.
1. Where are the children swimming?
2. What is granny cooking?
3. Where are we going?
4. How are the people working?
5. Where are they sitting?
6. What about is she thinking?
7. When am I leaving?