填空题改“suffered”为“suffering”
填空题在safest前加定冠词“the”
单项选择题A.America’sB.Britain’sC.Russia’sD.Japan’s
单项选择题A.Jim CourierB.Andre MedvedevC.Magnus LarsenD.Jan Seimerink
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.