单项选择题
A. Teheran, Yalta and Potsdam B. Teheran and Yalta C. Yalta, Potsdam and Berlin D. Teheran and Potsdam
A. William Ⅰ B. Henry Ⅱ C. Elizabeth Ⅰ D. James Ⅰ
A. coal B. timber C. fur D. wool