---Obama took oath (宣誓)of office in the White House。---When was _____?---____was on January 23,2013.
Although knocked down by a car, he managed to _______ to his feet.
John seems puzzled about ________ the question meant.
The cake is delicious. May I have ________ one?
My father told me that he ________ me some gifts when he returned from America the next week.
He ________ his aunt the day he arrives in Beijing.