【英语1级听力】是谁？-Who Is It?

（单词翻译）

Joseph never opens the front door. When someone¹ knocks² on the front door, Joseph says, "Who is it?" But he does not open the door. His parents told him to keep the door closed³. His parents want him to be safe. He will be safe if he doesn't open the door. Yesterday someone knocked⁴ on the front door. "Who is it?" Joseph asked. "It's the mailman⁵," the person⁶ said⁷. "I cannot open the door," Joseph said. "Okay⁸, I will come back tomorrow," the mailman said. "Goodbye," Joseph said. Joseph is a good boy. He listens to his parents. He doesn't open the door for any person.