阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。
Mr Brown lived in a house less than two miles away from his office. He was therefore able to drive home every day for lunch. Every time he drove home in the middle of the day, he found cars were parked in the road outside his house, and there was no room for his own car. He had to drive two blocks farther before he could find a place to park. Then he had to walk home. This made him very angry.
He had put up a board which read “No Parking！” in the garden facing the road, but nobody seemed to pay attention to it. People only obeyed a_police_notice,_but not a private one. There were no parked cars where there was a_blue_board_with_white_letters on it: Police Notice No Parking!
Mrs Brown suggested that he should steal a police notice. But he dared_not,_being_afraid_of_going_to_prison. She then suggested that he make one just like a police notice. He said he was not a policeman and couldn't_use_the_word_“police”. He decided that he must find a way out and started thinking hard. For several days, the smell of paint filled the house. One night he showed his wife a new notice board. It was painted in white letters on a blue board: Polite_Notice No Parking!
“Oh，” Mrs Brown said, “but you told me you weren't going to use the word ‘police’”.
“Is it？” he asked. “Look again.”
She began to laugh, “You are really rather clever.”
注意：
1．所续写短文的词数应为150左右；
2．至少使用5个短文中标有下划线的关键词语；
3．续写部分分为两段，每段的开头语已为你写好；
4．续写完成后，请用下划线标出你所使用的关键词语。
Paragraph 1：
Why did Mrs Brown say her husband was really rather clever？
Paragraph 2：
If the police discovered that the Browns were using a police notice，
写前导读：本文是一篇记叙文。布朗先生为了解决自家门前停车位总被人占据的问题而焦头烂额，布朗太太的建议虽然没有被采纳，却让布朗先生想到了一个万全之策。
