Final answer:
Marta's feelings change from excitement to frustration, and finally to determination.
Step-by-step explanation:
In the story, Marta's feelings undergo several changes. At the beginning, she feels excited and hopeful about the new opportunity to play on the soccer team. This is evident when she says, 'I can't wait to start playing and show everyone what I can do.' However, her feelings start to change when she faces challenges during practice and feels discouraged.
For example, she says, 'I've been trying really hard, but I keep making mistakes.' As the story progresses, Marta's feelings evolve from frustration to determination. Despite the setbacks, she doesn't give up and continues to work hard to improve her skills. This is shown when she says, 'I know I can do better if I keep practicing and learning from my mistakes.' Overall, Marta's feelings shift from excitement to frustration, and finally to determination, as she faces and overcomes obstacles during her journey on the soccer team.