Ответ:
Exercise 1:
1) Did John tired after work?
2)Does we live in a small house
3)Did summer started at last?
4)Does I'm playing the piano?
5)Is my friend walking with his dog now?
Exercise 3:
1)who reads books at the evening in home?
2)where do you live?
3)Can you speak English?
Exercise 4:
1) Who is study at the University?
2)at what did they write in English
3)when did Ann finished her work?