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nge trees, the sweet and the sour. At first, people in ___3__ only had sour oranges. They started to grow them __4__ the ninth century. From the eleventh century, sour oranges were widely grown in southern Europe. Until the fifteenth century, sweet oranges ___5__ to Europe by business from the East. They were a kind of rare fruit at that time. Only very __6___ people could pay for them. They paid a lot of money to get the orange trees. They planted these trees in their gardens. In the colder countries, these expensive orange trees would be killed during a cold winter, so the rich people built greenhouses for them. The oranges trees were planted in tubs. __7__ the summer they were moved ___8___, but in winter, they were kept safe behind the glass in the greenhouses. When Christopher Columbus went to America by sea, he carried many oranges with him. __9___ then sweet oranges have grown very well in the New World in the warm weather. Today the United States produces ___10____ oranges in the world. 2__________ 3_________ 4_________ 5__________ 6_________ 7___________ 8_________ 9_________ 10_________ 5 Nobody, some, what, angrily, say, still, no, in, at, be Many years ago, only boys could go to school in my hometown. Then schools Kind, bring, rich, many, Europe, know, around, outside, since, during decided to let girls __1___. But Mr Brown, one of the teachers, was not __2___ all pleased. He didn?t want to have ___3__ girls in his class. When he began his class, Mr Brown always said, ? Good morning, boys? at first. Now when the girl students were in his class, he __4__ said ?Good morning, boys?. One day there ___5_ only one boy in his class, others were girl. Mr Brown didn?t know __6___ to do. He just said, ?Good morning, boy!? next day he came into his classroom and looked at all the students. There were __7__ boys in his class. He was very __8___ and __9____, ?Oh ____10__