第3题: [单项选择]Why did people still park their cars in front of his house even after Mr. Smith put up a board with the words "No Parking" on it ______ 参考答案:A 答案解析:[解析] 题目在问为什么在史密斯先生放了一个“不准停车”的牌子后仍然有人在他家门口停车。此题可以在第二段的第三句话“If it was a blue board with the words’ Pol