Peter's job was to examine cars when they crossed the frontier (邊界) to make sure that they were not smuggling (走私) anything into the country. Every evening he would see a factory worker coming __36__ the hill towards the frontier, __37__ a bike with grass on it. When the bike __38__ the frontier, Peter would stop the man and __39__ him take the grass off. Then he would examine the straw very __40__ to see whether he could find anything, after which he would look in all the man's pockets __41__ he let him tie (捆綁) the grass again. The man would then put it on his bike and go off down the hill with it. Although Peter was always __42 __ to find gold or other valuable things hidden in the straw, he never found __43__. He was sure the man was smuggling something, but he was not __44__ to think out what it could be.
Then one evening, after he had looked __45__ the grass and emptied the worker's pockets __46__ usual, he __47__ to him, "Listen, I know you are smuggling things __48__ this frontier. Won't you tell me what it is? I'm an old man, and today's my last day on the job. Tomorrow I'm going to retire (退休). I promise I shall not tell __49__ if you tell me what you've been smuggling." The worker did not say anything for __50__. Then he smiled, turned to Peter and said quietly, "Bikes."

完形填空 閱讀短文, 從每題所給選項(xiàng)中選出可以填入空白處的最佳選項(xiàng)。（共15小題；每小題1分，滿分15分）
Peter’s job was to examine cars when they crossed the frontier（國境） to make sure that they were not smuggling(走私) anything into the country. Every evening he would see a factory worker coming   1  the hill towards the frontier, pushing a bike with a pile of goods(貨物) of old straw on it. When the bike   2  the frontier, Peter would stop the man and   3  him take the straw off and untie（解開） it. Then he would examine the straw very   4  to see   5   he could find anything, then he would look in all the man’s pockets   6  he let him tie the straw again. The man would then put it on his bike and go off down the hill with it. Although Peter was always   7  to find gold or other valuable things hidden in the straw, he never found anything. He was sure the man was   8  something, but he was not  9  to think out what it could be.
Then one evening, after he had looked through the straw and emptied the worker’s pockets   10  usual, he   11  to him, “Listen, I know you are smuggling things  12  this frontier. Won’t you tell me what it is? I’m an old man, and today is my   13 day on the job. Tomorrow I’m going to retire(退休). I promise I shall not tell  14  if you tell me what you’ve been smuggling.” The worker did not say anything for   15 . Then he smiled, turned to Peter and said quietly, “Bikes.”

When Sandy was a little girl, she liked keeping pets. She had many books about animals and many pictures of animals on the walls of her bedroom. She often said that she would work in a  41  when she grew up.
Most of Sandy’s pets were quiet small—parrots, cats, dogs and so on. But one day she met something quite  42 .
That afternoon, Sandy’s mother was surprised to see a big animal with long hair in the kitchen. He  43  a T-shirt and was sitting on the chair, trying to put on a pair of glasses and making faces at her. In front of him, on the table, were a basket of fruits and a glass of water. “Sandy, where are you?” the mother shouted. Then suddenly she remembered that a few days before a young gorilla (大猩猩) called Jim had run away from the zoo.
“I found him in the city square,” Sandy said. “He seemed so  44 . I talked to him. We became friends at once and he followed me home.”
“Well, you know you  45  keep him,” her mother said. “You must send him back to the zoo. You’d better phone the police.”
Soon a  46  came and also a truck from the zoo.  47  was angry with Sandy when she told her story. The policeman knew Sandy loved animals. And the zookeeper said, “Thank you for your kindness. I can see Jim likes you,  48  we need to take him back.” Sandy agreed. She hugged Jim and said that she would go and see him  49 .
These days Sandy has stopped collecting  50 , but you can still find her with her friend Jim at the zoo on Saturdays and Sundays.