Something strange happened 1me yesterday. On my way to school, I2a stranger. He stopped me and said, "You are Betty,3You?" "No." I said. He asked, "You know me, don't you?" "No, I don't." I answered. Then he said 4, "You owe (欠) me $100, don't you?" I 5away. At that moment, I remembered my mother's words, "Never talk to strangers."