classes: lecturer. Do not give assignments to students and then let the students in class do the work themselves for a long period of time. curriculum. Do not give assignments to students and then let the students in class do the work themselves for a long period of time. facility. Do not give assignments to students and then let the students in class do the work themselves for a long period of time. general. Do not give assignments to students and then let the students in class do the work themselves for a long period of time.