Объяснение:
1. He hated school and often refused to go..
Did he hate school and often refuse to go?
Who hated school and often refused to go?
What did he hate? Where did he often refuse to go?
He hated school and often refused to go, didn't he?
2. He returned to find the picture.
Did he return to find the picture?
Who returned to find the picture?
Why did he return?
He returned to find the picture, didn't he?
