根据中文提示完成下面的对话。 Wu: Look! This is my holiday picture. Sarah: Is it a nature park? Wu: Yes, it is. Sarah: 1_______________________________ (公园里有森林吗?) Wu: 2_______________________________ (有). Sarah: 3_______________________________ (公园里有花儿吗?) Wu: 4_______________________________ (有). Sarah: Is there a river? Wu: 5_______________________________ (没有). But there is a lake. Sarah: Do you like this park? Wu: Yes, it's pretty.