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One day I was on a bus. I found an elderly woman ____1____ (stand) infront of me. She had a big bag __2___ her hand. "It's a virtue for a young person to help the old," I said to ____3___ (me). When I was standing up to ________4________ (让座) the old lady, a young foreigner got up quickly ____5___ (say), "Please sit down." The old lady ____6____ (thank) him and sat down. She looked very ____7____ (happily). I was a little _____8_____ (embarrass) because I was sitting in the middle of the bus. _____9____ (sudden) a pregnant woman got onto the bus. I quickly stood up to _____10_____ (放弃) my seat to her. The foreigner smiled ___11__ me. He said that he was___12__ Australian, and was a student studying Chinese culture in China.