（下面摘取了随机数表第7行至第9行）

84 42 17 53 31  57 24 55 06 88  77 04 74 47 67  21 76 33 50 25  83 92 12 06 76

63 01 63 78 59  16 95 55 67 19  98 10 50 71 75  12 86 73 58 07  44 39 52 38 79

33 21 12 34 29  78 64 56 07 82  52 42 07 44 38  15 51 00 13 42  99 66 02 79 54．

    Mr Brown's horse was lost at night. All of his friends were very ____ to hear that and came to see him together. After ____（听） his story, one of them said, “Why didn't you close the door of the stable(马厩) last night?” “You aren't a deaf man”, the second said. “Didn't you ____anything at that moment? The thief(小偷) must ____(赶走) the horse away out of the gate, and couldn't carry it on ____ back.” “I agree with you,” said the third man. “How ____(careful) you are! Every evening before I ____ to bed, I lock my stable first and put the key in my box. Why didn't you do so?”The more they said, the ____excited they became. At last Mr Brown couldn't stand any more and said ____(angry), “None of you would help me look for my horse or catch the thief. Do you think that it's all my fault(错误）?____ don't you blame(责备) the thief?”