Using apostrophes

This task is about using apostrophes.
Josh wrote a story about a fight that happened at lunchtime. He wrote a good story, but he forgot to use apostrophes ( ' ).
 
Read his story and select the correct words to go in all the places they are needed.
 
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Question 1Change answer

 
At lunchtime there was a fight outside the boysboy'sboys' toilets. It all started when Tim stole BensBen'sBens' cap. Ben tried to get the cap back. He grabbed Tim'sTimsTims' shirt. By mistake he ripped the shirtsshirt'sshirts' pocket. Then Tim threw the cap into the girlsgirls'girl's toilets. Ben got so mad that he went into the classroom, picked up TimsTim'sTims' favourite comic book and ripped the booksbook'sbooks' cover completely off. Things just went from bad to worse. I went to find one of the teachers on duty. I couldn't find anyone so I went to the staff room. I was too scared to go in because there was a teachersteacher'steachers' meeting in there. Just then the bell went and all the kids went back to class. Our teacher gave us a big talking to. She thinks that the childrenschildren'schildrens' behaviour at our school is usually pretty good but sometimes one or two people let the rest of us down. There is a parentsparent'sparents' evening at school tonight and Tim is worried that his mum will find out he was in a fight. I would be worried too if I were him.