in your paper or on your paper

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sukrupasa

Member
Turkish
A teacher says:

"There are some mistakes in your paper. Please, focus on your task"
"There are some mistakes on your paper. Please, focus on your task"

which one is correct?
Thank you dear friends.
 
  • Barque

    Senior Member
    Tamil
    The first one, with "in".

    You don't need a comma after "Please" unless you want to signify a pause.
     
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