Answer:
1)She has butterflies in her stomach. She was checked her belongings and checking information about the paints and brushes. 
2) She suddenly remembered what her mom said 'Believe in yourself". that phrase built up her confidence. She went and sat in her chair near the canvas and started painting.
3) She was happy with the result. Then, she handed the painting to the collecter who collected the painting and gave them to the judges
4) She was scared that, her painting would be humiliated. After 10 mins, the results were announced and she was the winner. She went over the moon with happiness.
 
        
             
        
        
        
Answer:
the 1st error is Me too! and the second is show or visa versa  
 
        
             
        
        
        
"Hey" said Hunter. "Maybe we should keep our surroundings clean." "Why?" Askes Brian. "Because this will be one step closer to stopping pollution and keeping everything clean!"
 
        
             
        
        
        
look for first person words. I, me, my mine, etc. referring to oneself