三、完形填空：（共20小题；每小题1分，满分20分）One day a mother rat and her babie

三、完形填空：（共20小题；每小题1分，满分20分）
One day a mother rat and her babies were out in an open field. They were playing and having a good time when ___21___ a hungry cat came on the scene! It hid ___ 22 ___ a big tree and then ___23___ forward through tall grass ___ 24 ___ it could almost hear them talk. ___25___ the mother rat and her babies knew ___ 26 ___ had happened, the cat ___27___ from its hiding-place and started to run ___ 28 ___ them.
The mother rat and her babies all ___29___ at once. They hurried towards ___ 30 ___ home, which was under a pile of large stones. ___31___ the baby rats were ___ 32 ___ scared that they could not run very ___33___. Closer and closer the cat came. In no time the cat could catch ___ 34 ___. What was to be done?
The mother rat stopped running, ___35___ round and faced the cat, ___ 36 ___, “Wow! Wow! Wow-wow!” just like ___37___ angry dog. The cat was so surprised and ___ 38 ___ that it ran away.
The mother rat turned to her babies, “Now you see ___39___ important it is to learn ___ 40 ___ second language!”
21. A. naturally           B. suddenly           C. nearly             D. certainly
22. A. or                 B. between           C. by                D. behind
23. A. crawled            B. jumped            C. looked             D. climbed
24. A. before             B. when              C. until               D. while
25. A. Before             B. After              C. Unless             D. Otherwise
26. A. where              B. what              C. which             D. when
27. A. jumped            B. started             C. walked            D. appeared
28. A. over               B. through            C. after             D. against
29. A. stood              B. fled               C. left               D. cried
30. A. to                 B. for                C. its               D. their
31. A. Because            B. But               C. Therefore          D. Although
32. A. as                 B. much              C. so               D. very
33. A. freely              B. hardly             C. soon             D. quickly
34. A. ahead              B. down              C. that              D. them
35. A. turned            B. walked             C. jumped           D. ran
36. A. saying             B. speaking           C. shouting          D. telling
37. A. a                 B. an                 C. their             D. that
38. A. pleased            B. excited             C. frightened         D. worried
39. A. so                B. why                C. what             D. how
40. A. our               B. their                C. a                D. An