第一节完形填空 (共10小题；每小题2分，满分20分)
阅读下面短文，掌握其大意，然后从21—30各题所给的A、B、C和D项中，选出最佳选项。
There was once a lonely girl who longed so much for love. One day while she was walking in the woods, she found two starving birds. She took them home and put them in a small  11 . She cared for them with  12  and the birds grew strong. Every morning they  13   her with a wonderful song. The girl felt great love for the birds.
One day the girl left the door with the cage open. The larger and stronger of the two birds flew from the cage. The girl was so  14  that he would fly away. As he flew close, she  15   him wildly. Her heart felt glad at her  16  in catching him. Suddenly she felt the bird go limp . She opened her hand and stared in horror at the dead bird. Her desperate love had killed him.
She noticed the other bird moving back and forth on the  17   of the cage. She could feel his great need for  18  . He needed to fly into the blue clear sky. She lifted him from the cage and threw him hopelessly into the air. The bird circled once, twice, three times.
The girl watched  19   at the bird’s enjoyment. Her heart was no longer concerned with her loss. She wanted the bird to be happy. Suddenly the bird flew closer and landed softly on her shoulder. It sang the sweetest  20  that she had ever heard.
11. A. tree      B.basket  C.cage     D.box
12. A. excitement   B.love     C.sorrow D.pleasure
13. A. filled    B.greeted C.shared  D.disturbed
14. A. frightened    B.surprised     C.concerned    D.expected
15. A. beat      B.picked  C.took     D.grasped
16. A. failure  B.success C.skill     D.way
17. A. edge     B.top      C.shelf    D.wall
18. A. water    B.food    C.freedom      D.company
19. A. delightedly   B.fortunately  C.publicly      D.disappointedly
20. A. rock     B.tune     C.music   D.jazz