单项选择题
A.by air B.by water C.by bus D.by train
A.the former President was still living in the White House B.the former First Lady hadn't* left the White House C.the First Lady liked to live there D.he liked to live there
A.in order not to be killed by the thief B.in order to be out of danger C.so as to help the young man overcome his difficulty D.because he had no more money