24. ---Michael is one of the top students in our class .--- ___ , he cheated in the last exam .
_______ is very important for us students to learn English well.
You’d better________ your scores and see if you have passed the exam.
How did all these _________?
They lived a hard life and were often made _______ for over ten hours a day.
_____ of the students who took part in the military training is 450.