It's a nice Saturday morning.Amy and her mother are on a big bus.There are many people on it.Some of them came from America,and some of them came from England.They are all their friends.They are going to the Great Wall.There are two Chinese on the bus.One is a young man.He is driving the bus.The other one is a young woman.She can speak English.She is now talking about the Great Wall in English. The other people are listening to her carefully.They like the Great Wall.They want to visit it very much.

carefully[ˈkɛrfəlɪ]：仔细地
visit[ˈvɪzɪt]：参观，拜访
great[ɡret]：很好的，伟大的
great grand father：曾祖父