参考答案一：
Anna was riding her bike to the park at 11:00 last Sunday morning. When she got to the park, she saw some kids swimming in the water, she also want to do that. While she was taking off her clothes, a strange man took her bike away. Anna couldn't find her bike anywhere. While she was crying, she called the police.
参考答案二：
One day a girl rode her bike to a park at 11 am. She put her bike behind a bush and went away, but she didn't know a man was hiding in the bush. At 11:15 the man got out of the bush and stole the girl's bike then he ran away. After 5 minutes, the girl was looking for her bike, she was very worried, then she called the police.
