单选题
We got up early this morning and 16 a long walk after breakfast. We walked through the business section of the city. I told you yesterday that the city is larger 17 I thought it would be. 18 the business section is smaller than I thought it would be. I suppose that"s 19 Washington is a special kind of city. 20 the people in Washington work for the government. About 9:30 we went to the White House. It"s 21 to the public from 10 till 12, and there was a long line of people waiting to get in. We didn"t have to wait very long, because the line moved 22 quickly.
The White House is really white. It is painted every year. And it seems very white, because it"s got beautiful lawns all around it, 23 many trees and shrubs. The grounds 24 about four square blocks. I mean, they"re about two blocks long 25 each side. Of course, we didn"t see the whole building. The part 26 the President lives and works is not open to the public. But the part we saw was beautiful. We went through five of the main rooms. One of them was the library, on the ground floor. On the next floor, there are three rooms named 27 the colors that are used in them: the Red Room, the Blue Room, and the Green Room. The 28 are covered with silk cloth. 29 are many pieces of old furniture, from the time 30 the White House was first built. And everywhere there are paintings and statues of former presidents and other famous people from history.