Mr. and Mrs. Green were very worried about their son, Leo. He seemed to be dumb (哑的)1he was normal in every other way. Mr. and Mrs. Green tried everything to get him to2, but with no success. When Leo was six years old, the best doctors in town examined (检查) him3, but could find nothing wrong.
And he seemed to be smart. It was just that he4spoke. "There might be something wrong with his5, and he doesn't know he's able to speak," one doctor said. "But he can read and write," said Mr. Green. "We've written him notes, telling him that he can speak." "It's certainly very6, " another doctor said. "Perhaps he'll be able to speak some day."
7 passed. Leo went to university. But he did not say a single (单一的)8.
Then one day, Leo was having a meal with his parents. Without any sign, he looked up from his9and said, "Pass me the salt, please." Mr. and Mrs. Green were excited. "You spoke! You spoke!" they cried, "Why did you wait so long to speak?" "I didn't have anything to say," he said. "Until now everything was perfect. But you 10to put salt in these potatoes."
