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II. Find and correct the mistake.
1. My classmate told me you can't explain the rule to her.
2. I'm not sure what I can solve this problem..
3. You have a problem with your classmate, you don't know what
to do, you may feel happy.
4. You notice something strange happen to your body when you
start your adolescence.
5. She finds that it is difficult staying awake during the meeting.
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