Answer:
1. Mi hermano prefiere no usar pantalones largos cuando juega fútbol.
2. Mi hermano tiene calor cuando juega fútbol por eso usa pantalones cortos.
Step-by-step explanation:
In this exercise, you have to write in Spanish to your friend using Spanish vocabulary about hobbies and clothes and describing the preferences of one of your family members. In this case, I wrote about my brother and how he prefers not to use long pants when he plays soccer and also that he is hot when he plays and wears shorts.