...in Washington D.C. The library was started in 1800.Today...
(1)由文中关键句The biggest library in the world is in America.可知,世界上最大的图书馆在美国。故答案为:America。(2)由文中The library was started in 1800.可知,图书馆始建于1800年。故答案为:1800。(3)由文中The library is a wonderful place for readin