阅读短文，判断下列句子正误。

Look at this photo. It's Sunday. It's warm and sunny. The sun is shining. Some children are having a picnic with their English teacher. In the photo, Daming is eating a hot dog. Dongdong is drinking a cola. They are looking at two girls. What are the girls doing? Look, Lingling is singing. Fangfang is dancing. The English teacher is smiling and she is eating an apple. They are very happy.