John’s day
John is a Canadian. He lives in a tall building in the city of Toronto. There are eighteen floors in the building, and he lives on the fifteenth floor. He uses a lift to go up and down.
John works very hard. He goes to work early. Every day he leaves his home and walks to the lift.He gets into the lift. It takes him down to the first floor.
He gets out of the lift. Then he walks to a bus stop. The bus stop is in front of a station. It is about two hundred metres from his home.
Usually, he catches the number 11 bus to work, but sometimes he goes by train. John works in a factory about ten kilometres from his home, His work starts at half past eight, and finishes at a quarter to five. He gets back home at a quarter past five. He gets into the lift, and goes up to the twelfth floor. Then he gets out of the lift and climbs up to the fifteenth floor on foot.
Every day he does the same thing. Why doesn’t he use the lift for the last three floors?

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约翰的一天
约翰是加拿大人。他住在多仑多的一幢高楼中，楼房有18层，他住在15层。他乘电梯上下楼。
约翰工作非常努力。他上班很早。每天他离开家，走到电梯那儿，他走进电梯，电梯把他带到一楼。
他走出电梯，然后走到汽车站。汽车站在火车站的前面，离他家大约有200 米。通常他乘11路车去上班，有时他乘火车。约翰在离他家10公里的一家工厂上班。他8点半开始工作，5点差15分下班。他在5点过15分回家。他走进电梯，上到12 层，然后他走出电梯并爬上15层，
每天他做同样的事，为什么他不乖电梯上最后三层