Many teachers believe that the responsibilities for learning lie with the student. If a long reading assignment is given, instructors expect students to be (51) with the information in the reading even if they do not discuss it in class or (52) an examination. The ideal student is (53) to be one who is motivated to learn for the sake of learning, not the one interested only in getting high (54) Sometimes homework is returned with brief written(55) but without a grade. Even if a grade is not given, the student is (56) for learning the material assigned. When research is (57) , the professor expects the student to take it actively and to complete it with minimum (58) It is the student's responsibility to fmd books, magazines, and articles in the library. Professors do not have the time to (59) explain how a university library works; they expect students particularly graduate students to exhaust the (60) sources in the library. Professors will help students who need it, (61) prefer that their students should not be too (62) on them. In the United States professors have many other (63) besides teaching, such as administrative or research work. Therefore, the time that a professor can spend (64) a student outside of class is limited. If a student has problems with classroom work, the student should either (65) a professor during office hours or make an appointment.