阅读短文,判断下列句子正误。
It's October 12th today. The weather is cool and sunny in Xi' an. Mr White and his family are in the park. Mr and Mrs White are reading books under the tree. Lucy is flying a kite. The boy in a white shirt is her brother. He is playing music near the lake. Lucy's sister is very young. She can‘t walk or run. She' s drinking milk. Lucy's grandparents are not in the park. They' re watching TV at home.