单项选择题A．Studying.B．Preparing snacks.C．Playing cards.D．Learning how to play bridg

单项选择题A．there is little supplyB．there is still enough supplyC．there is several days’ supplyD．there is only two days’ supply

填空题death

单项选择题A．In the student recreation center.B．In the campus dining hall.C．In the university bookstore.D．In a classroom.

填空题改“if”为“though”