【正文】
s What is this? It’s a Library. What is this? It’s a post office. What is this? It’s a hospital. What is this? It’s a cinema. What is this? It’s a bookstore. What is this? It’s a science museum. A puzzle can send a letter in the ( post office ) . can watch the films at the ( cinema ). we are sick, we should go to the ( hospital ). can see a dinosaur show in the