如图是枝芽的结构图，据图回答下列问题：

A

    It's a beautiful day in summer. There are many people on the beach. Mrs Guo and her two sons are on the beach, too. Look! Mrs Guo is swimming in the sea. She can swim fast. What are her sons doing? They are playing volleyball on the beach. There's a man under the umbrella. He's reading a book. Look! A little girl is collecting shells on the beach. She's very happy.

Breakfast is ready, you'd better____.

修改病句。

我们来到公园，观赏美丽的情景。