Mark Twain was a popular American writer. He liked playing jokes on people. (A) But sometimes people played jokes on him.
He was once invited to give a talk one evening. When he arrived in the town, a young man told him that he had an uncle and he (B) laughed.
"Bring your uncle to my talk tonight," said Mark Twain. "I'm(C) that l can make him laugh. ""
That evening, the young man and his uncle sat at the front of the hail. Mark Twain (D) noticed them while he spoke. He told many stories. They made everyone else in the hall laugh, but the young man's uncle didn't laugh at all. (E) In the end, Mark Twain gave up.
Some days later, Mark Twain told a friend (F)发生了什么. "Oh, I know that young man's uncle, "said his friend. "He is deaf. He's been deaf for years."
