Either add the passage with the question so we know what you are referring to or do not post questions like these. Not everybody has read what you have. This question is completely useless and unanswerable without the story to go off of.
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.
The prefix of advantages is "ad"
hope this helps :)
