Решение:
1. Who am I playing the guitar with?
2. Why are you climbing the mountain?
3. Where is my sister doing the homework?
4. Where is my grandad walking?
5. Who are John and Peter talking to? Why is the teacher angry?
6. Where is Ann swimming?
7. What is my cat drinking in the kitchen?
8. What language is my uncle speaking? How many languages does he speak?