Teachers who are (i) _____ typically perform better and last longer than those who are choleric.

Choleric are people who get upset quite easily. So, the first blank is exactly the opposite in terms of meaning = calm

The only word that fits the bill is A. B is the same or almost as choleric


In junior high especially, classroom management can become quite (ii) _____, which over time, only increases one’s (iii) _____ to students and the profession.

In high school, the scenario of the first sentence might become challenging = onerous.

All this brings the teacher to hate the students and the profession because is daunting. Therefore, hostility


Hope this helps