Question

when the choir starts practicing on the bus, the music helps pablo stop thinking about his fears. he immediately begins to feel: cheerful, forgetful, careful. then, ms. t stood up. “listen, niños!” she said. “we need to start practicing the songs for.” he began to tune his guitar. “are you ready?” he asked. “yes!” shouted everyone in reply. he began strumming a tune, as the group sang out: “colores, de colores se visten los campos en la primavera...” as soon as they started to practice, pablo forgot all about the alligators and the hundreds of people. the energy of the song flowed through him like electricity. now all that mattered was that he was singing with his friends, and they were on their way to an adventure in mississippi!

Explanation:

The text describes that when the choir starts practicing, the music helps Pablo stop thinking about his fears. The context suggests a positive - mood change. "Cheerful" means happy and in good spirits, which fits the situation as Pablo forgets his fears and feels good while singing with friends. "Forgetful" is about having a poor memory, and "careful" is about being cautious, neither of which match the mood of the passage.

Answer:

cheerful