单项选择题
A．study harder than they did in high school B．study as hard as they did in high school C．find college studies easier than high school work D．find it easier to go to graduate school
A．pass the entrance exams B．study in private schools C．earn enough money D．do some course work
A．they have to do extra preparation to pass the entrance exams B．private schools are inexpensive C．course work in college is more difficult D．college entrance exams are more difficult