If he saw someone stealling a book in a shop, ( tell ) ... the shop assistant If her teacher didn't come to her class, (do homework ) ...
If he couldn't open the bathroom door, ( send a text massage ) ... his parents
If she broke a window in her parents' house, ( run away ) ...
If his food was cold, ( complain to ) ... the waiter
If she found a wallter in the street, ( look far ) ... the name and address