单项选择题
A. Pearl Harbor B. The Winds of War C. Uncommon Courage D. The Greatest Generation
A. tries his best to make his guests feel comfortable B. makes his guests feel excited C. tries to avoid being naughty to his guests D. tries to avoid being foolish
A. The Invention of Umbrella. B. The History of Umbrella. C. Umbrella -- A Symbol of Honor. D. Who Used Umbrella First