Today is Sunday. The sun, is shining. The Chens are at the beach. They are having a good time at the beach. Look, Mr Chen is sailing his boat. Mrs Chen is tired. She is sitting under the umbrella. She is having a. rest. His daughter, Lucy, is reading a book, she likes reading. Look, Ben is collecting shells. There are all kinds of shells at the beach. How many shells are there? One, two, three… there are twelve shells near him. They are happy!