单项选择题A．America’sB．Britain’sC．Russia’sD．Japan’s

单项选择题A．Jim CourierB．Andre McdvedevC．Magnus LarsenD．Jan Seimerink

填空题改“medicines”为“medicine”

单项选择题In a true sense, plateways are the earliest and most primitive railways invented by ______.

单项选择题Ernest Hemingway was most famous for ______.