We spent a day in the country and picked a lot of flowers. Our car was full of   11     inside. On the way home my wife saw a bookshelf outside a furniture (家具) shop. "Buy it," she said at once. "We'll   12   it home on the roof-rack (车顶架). I've always wanted one like that."

    Ten minutes ___13___  we were back with the bookshelf. 1 drove slowly. Other drivers seemed more polite than usual that evening. The   14   even stopped traffic to let us through.

    After a time my wife said, "There's a long line of cars   15  . Why don't they overtake (超车)?"

    Just at that time a police car did overtake, and two officers inside asked us to   16    their car through the busy traffic. The police car stopped at our village church（教堂）.

     One of the officers came to me and said, "Do you need any more   17   now?" I didn't quite understand. So I said, "You've been very   18  . We live just down the road."

    He was looking at our things, first at the flowers, then at the bookshelf. "Well, well," he said and   19  , "It's a bookshelf you've got here! We thought it was— er, something else."

    My wife began to laugh. Suddenly I understood   20   the police drove here. 

11. A. books     B. flowers    C. fruits    D. vegetables   

12. A. take      B. carry      C. send     D. hold        

13. A. before     B. carry      C. later     D. ago       

14. A. drivers    B. police     C. cleaners   D. sellers     

15. A. behind    B. before     C. beside    D. back     

16. A. take      B. follow     C. move     D. drive      

17. A. time      B. money     C. help     D. water     

18. A. kind      B. clever     C. polite     D. popular    

19. A. laughed   B. cried      C. shouted   D. jumped   

20. A. how      B. what      C. why      D. jumped