David received a parrot for his birthday. The parrot had a poor vocabulary (词汇量),   and many were not polite. David tried hard to  1  the bird's words and was often  2  polite words,  playing soft music,  trying anything he could   3  to set a good example. But nothing   4  . He shouted at the bird and the bird just got angry and became even   5  .Finally，without any hope， David put the   6  in the freezer. For a few moments he heard the bird kick(踢) and cry loudly in it. Then suddenly it was   7  -not a sound for half a minute. David was   8  that he might have hurt the bird and quickly  9  the freezer door. The parrot quietly   10  out onto David's arm and said，"'I   11  that I may have made you angry  12  me about my impolite language and actions. I will try my best at once to be polite. I am   13  sorry and beg your pardon. "

　　David was surprised at the bird's change， and he was just  14  what had made such a surprising change when the parrot  15  saying, "May I ask what the chicken in the freezer did?"

　　(    )1.A. change         B. teach          C. make             D. have

　　(    )2. A. talking         B. speaking         C. saying            D. telling

　　(    )3.A. look after          B. look over       C. think over         D. think of

　　(    )4 A. happened        B. appeared         C. worked          D. did

　　(    )5. A. polite          B. less polite      C. more polite        D. not polite

　　(    )6.A. parrot             B. chicken        C. meat             D. food

　　(    )7.A. noisy              B. painful         C  full             D. quiet

　　(    )8.A. amazed            B. surprising         C. boring          D. frightened

　　(    )9.A. locked            B. shut            C. opened           D. repaired

　　(    )10A. ran               B. stepped        C. swam            D. escaped

　　(    )11.A. believe            B hope           C. dream            D. celebrate

　　(    )12. A.  in           B.  for           C.  to              D.  with

　　(    )13. A. much         B.  really           C. a little           D. just

　　(    )14. A. to ask         B. asked           C.  to reply         D.  replied

　　(    )15. A. went on to     B. went on           C. went over      D. went