完形填空。 One sunny afternoon, a seven-year-old girl went for a walk. She crossed a large area of grassland into the woods 1 she realized that she was lost. Sitting on a rock and 2 what to do, she began crying.  After a while. She 3 to walk along a wide path lined with tall trees and thick bushes. 4 it was getting dark, she saw a small, dark wooden house. She opened the door and 5 stepped in. Suddenly, she heard a strange noise, and she ran out the door and back to the 6 . Cold and tired, she fell asleep near a 7 . The girl's parents were out and her dog, Laddy, was at home. Laddy 8 that his mistrees(女主人)was in danger. He jumped 9 a window, breaking the glass. He looked in the fields. But he couldn't find his mistress anywhere. However, from the ground came a 10 scent (气味) as he lowered his head. He 11 the scent and walked across the grassland. Barking 12 into the air, the dog 13 through the woods until he found the 14 . But the girl was not there, so he headed back to the woods. Much to his 15 , he saw his mistress' blue shirt in the distance. He 16 over some bushes and saw the little stream, where the girl was 17 . When she opened her eyes and 18 her dog standing beside her, the girl said, 'you 19 me, Laddy,' and she kissed him several times. Seeing their daughter and dog coming back, the parents burst into tears of 20 . That night Laddy had a heror's supper: a huge meal of steak. (     ) 1. A. before (     ) 2. A. wondering (     ) 3. A. preferred (      )4. A. When (      )5. A. carelessly (     ) 6. A. trees (     ) 7. A. stream (     ) 8. A. found (     ) 9. A. at (     )10.A. terrible (     )11.A. missed (     )12.A. calmly (     )13.A. searched (     )14.A.window (     )15.A. satisfaction (     )16.A. jumped (     )17.A. awake (     )18.A. spotted (     )19.A. disturbed (     )20.A. pain B. since B. forgetting B. expected B. Until B. cautiously B. bushes B. rock B. sensed B. through B. strange B. discovered B. loudly B. wandered B. girl B. disappointment B. climbed B. abandoned B. watched B. comforted B. sock C. while C. remembering C. failed C. If C. hopelessly C. woods C. tree C. heard C. in C. pleasant C. followed C. merrily C. looked C. house C. embarrassment C. walked C. available C. observed C. rescued C. sorrow D.as D.regretting D.decided D.Because D.unwillingly D.grasses D.house D.smelt D. onto D . amiliar D. ignored D. gently D. travelled D. hero D. delight D. flew D. asleep D. saw D. scared D. relief