Mark Twain（马克·吐温）was a great American writer. One day he went to a city by rain. Mark Twain was very busy, so he forgot（忘记）many important（重要的）things.
When he was on the train, the conductor（列车长）asked him for his ticket（票）. But he couldn't find（找到）it. The conductor knew（认识）Mark Twain. So she said, "Show me your ticket on your way back. And if you can't find it, it doesn't matter（没关系）. "
"Oh, no, "said Mark Twain. "I must find the ticket. Now I don't know where I am going?"
—_________
—Because _________.
—Because _________.
I have two good friends, Mary and Jane. Mary is shorter than me. I am thinner and shorter than Jane. How old are they? Mary and me are all 15 years old. Mary is younger than Jane. We study at Heyun School. We usually come to school by car. We often read books and play games together, but yesterday we didn't.
