阅读下面短文, 掌握其大意, 然后从1~20各题所给的四个选项中, 选出一个　　 最佳答案。

　　     When I was walking down the street the other day, I 1 a brown　　 plastic wallet 2 on the sidewalk. I picked it up and opened it to see　　 if I could 3 the owner's name. There was nothing inside it 4 some　　 change and an old photo — a picture of a woman and a girl about　　 twelve years old, 5 the woman's daughter. I put the photo 6 and took　　 the wallet to the police station, 7 I handed it to the desk sergeant.　　 Before 8, the sergeant took down my name and address in case the owner　　 might want to write and thank me.

　　     That evening I was invited to dinner by my aunt and uncle. They 9　　 a young woman so that there would be four people at the table. The　　 young woman's face was familiar. I was quite sure that we 10 before,　　 but I could not remember 11 her. In the course of the conversation,　　 however, she happened to tell us that she had lost her wallet that　　 afternoon. 12 I realized where I had seen her. She was the young girl　　 in the photo, although she was now 13. She was very 14, of course,　　 when I was able to tell her 15. Then I 16 that I 17 her from the photo　　 I had found in the wallet. My uncle insisted on 18 to the police　　 station at once to claim (认领) the wallet together with me. As the　　 police sergeant 19, he said that it was an 20 coincidence (巧合) that　　 not only had I found the wallet, but also the person who had, lost it.　　 　　

(1) A. happen to observe 　　B. happen to notice     

  C. chanced to observe    D. happened to notice 　　 

[    ]

(2) A. lying     B. lain     C. lied      D. having lain   

[    ]

(3) A. find out    B. ask for     C. look for    D. search out   

[    ]

(4) A. beside    B. apart for     C. except for    D. except      

[    ]

(5) A. that is like       B. that looked liked     

   C. who is like　　    D. who looked like      

[    ]

(6) A. into      B. back     C. backward    D. again       

[    ]

(7) A. where     B. which     C. that      D. on which   

[    ]

(8) A. leaving    B. having left     C. to leave    D. I left      

[    ]

(9) A. invite    B. invited     C. had invited    D. inviting   

[    ]

(10)A. knew each other

B. had not known of each other     

C. met each other     

D. had not met each other  

[    ]

(11)A. where did I see　　   B. where I had seen     

C. where had I seen 　　 D. where I having seen 　　

[    ]

(12)A. At once    B. All at once     C. Presently    D. Right then   

[    ]

(13)A. as young as before    B. more younger     

C. much older　　　　    D. more older   

[    ]

(14)A. surprised    B. surprising     C. surprise    D. to surprise   

[    ]

(15)A. what her wallet was like     B. how her wallet was     

C. what was her wallet like     D. how was her wallet   

[    ]

(16)A. explained    B. talked     C. spoke     D. told   

[    ]

(17)A. had known　　　　  B. had recognized      

C. had seen off       D. had learned   

[    ]

(18)A. to go　　　　　　     B. her to go     

C. that she should go    D. her going   

[    ]

(19)A. give it to us     B. handed it over     

C. gave us it　　    D. handed it in   

[    ]

(20)A. surprising　　 B. surprised     

C. astonishing    D. astonished   

[    ]