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.
