（When ；Who； Where； How；What）
— They went to the British Museum.
— Daming went to the Great Wall.
— They went there at ten o'clock.
— They went by bus.
— He took photos of the museums.
An old woman wants to go to New York to see her son, she gets up early and gets to the station at nine o'clock in the morning. When does the train come and leave? She is very worried. She stops a boy and ask him. The boy looks at the woman and says “ two to two”. The old woman sits in the chair and thinks and thinks.
