题目内容：

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

One sunny afternoon, a seven-year-old girl went for a walk. She crossed a large area of grassland into the woods ________ she realized that she was lost.

Sitting on a rock and  ________ what to do, she began crying. After a while. She  ________  to walk along a wide path lined with tall trees and thick bushes.  ________  it was getting dark, she saw a small, dark wooden house. She opened the door and ________  stepped in. Suddenly, she heard a strange noise, and she ran out the door and back to the ________ . Cold and tired, she fell asleep near a  ________ .

The girl’s parents were out and her dog, Laddy, was at home. Laddy  ________  that his mistrees(女主人)was in danger. He jumped  ________  a window, breaking the glass. He looked in the fields. But he couldn’t find his mistress anywhere. However, from the ground came a  ________  scent (气味) as he lowered his head. He  ________ the scent and walked across the grassland. Barking ________  into the air, the dog  ________  through the woods until he found the ________  . But the girl was not there, so he headed back to the woods. Much to his  ________  , he saw his mistress’ blue shirt in the distance. He  ________ over some bushes and saw the little stream, where the girl was________  .

When she opened her eyes and ________ her dog standing beside her, the girl said, “you ________  me, Laddy,” and she kissed him several times. Seeing their daughter and dog coming back, the parents burst into tears of________ .That night Laddy had a hero’s supper: a huge meal of steak

1.A. before     B. since     C. while          D. as

2.A. forgetting  B. wondering  C. remembering    D. regretting

3.A. preferred  B. expected   C. failed        D. decided

4.A. When       B. Until      C. If            D. Because

5.A. carelessly B. hopelessly C. cautiously    D. unwillingly

6.A. trees       B. bushes     C. woods          D. grasses

7.A. stream     B. rock      C. tree          D. house

8.A. found      B. sensed    C. heard         D. smelt

9.A. at         B. through   C. in             D. onto

10.A. terrible   B. strange   C. pleasant      D. familiar

11.A. missed     B. followed   C. discovered     D. ignored

12.A. calmly     B. merrily   C. loudly         D. gently

13.A. searched   B. wandered   C. looked         D. traveled

14.A. window `   B. girl       C. house          D. hero

15.A. satisfaction  B. delight C. embarrassment  D. disappointment

16.A. jumped     B. climbed   C. walked         D. flew

17.A. awake      B. abandoned  C. available     D. asleep

18.A. spotted    B. watched  C. observed       D. saw

19.A. disturbed  B. rescued    C. comforted     D. scared

20.A. pain       B. shock      C. sorrow        D. relief