Answer:
El profesor de matemáticas, Carlos Morales, es mi profesor favorito. Yo (1) asisto a su clase todos los días. Mis compañeros y yo (2) tenemos estudiar todas las noches porque hay mucha tarea. Nosotros (3) creemos que el profesor Morales es inteligente y paciente; gracias a su instrucción, nosotros (4) comprendemos conceptos difíciles.
Translation:
The math teacher, Carlos Morales, is my favourite professor. I (1) attend his class every day. My classmates and I (2) have to study every night because there is a lot of homework. We (3) believe that Professor Morales is intelligent and patient; thanks to his instruction, we (4) understand difficult concepts.