15、Many years ago there was a poor man. He had an orange tree _ _ 21 _ _ his garden. On the tree there were many fine oranges. One day he found one of his oranges was much bigger _ _ 22 _ _ the others. It was as big as a football. Nobody had ever seen such a big orange. The poor man took the orange to the king. The king was so happy _ _ 23 _ _ he gave the man a lot of money for it.
When a rich man heard of it, he said to himself, "It's only an orange. Why has the king given so much money for it? I'll take my gold cup to the king. He'll give me _ _ 24 _ _ money."
The next day when the king received the gold cup, he said to the rich man, 'What a beautiful cup! I'll show you something beautiful, please _ _ 25 _ _ this great orange."