Correct the mistakes in these sentences. There may be more than one mistake.

1. She was a champion gymnastic when she was a teenager. gymnast
2. Are you a good tenniser? We’re trying to get a local team together.
    
3. My brother is an expert canoist. He’s won medals.
    
4. My father is a good golfer. He’s also an expert mountainer.
    
5. Is there a shop near here that sells sport equipment? I need a fishing rod.
    
6. I’d love to be a good archerer, but my eyesight isn’t very good.
    
7. Are you a sprinter or a long-distant runner?
    
8. My favourite Olympic sports are fence and the high jump.