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Mary is an Australian girl. Now she is in Beijing with her parents. She doesn't know Chinese, but she is learning it. Sometimes she speaks Chinese to her Chinese friends, but they don't understand(理解) her, because she can't speak Chinese well. It's Saturday morning. She is walking in the street. She is going to the zoo to see the elephants and the monkeys. She can't find the zoo. She asks a Chinese boy. The boy can't understand her. She draws an elephant on the paper. The boy smiles and then shows(指) her the way to the zoo.