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The teacher was having a history class. She was asking one of her 71 C students some questions, but none of the answers was 72 C correctly . So the teacher began to ask Sam some very easy questions, and she hoped that he could give at least one correct answer.
“Now, Sam,” said the teacher, “What is Waterloo （滑铁卢）?” “Waterloo?” said the boy. “Oh, it‟s a kind of 73 A washing machine , I think.”
The teacher was surprised. She asked 74 D another question, “Sam, now give me the answer to a very easy question: Who is Washington?”
“Washington must be the man who uses that machine,” Sam answered. The teacher was angry but then she asked the third question, “Who is the president 75 A of the United States now?” Sam thought for a 76 A long time, but he hadn‟t any idea at all. Then the teacher shouted, “Obama!” Sam looked round and sat down. “Stand up!” the teacher cried, “I didn‟t
77 B tell you to sit down!” Sam said, “Oh, I‟m sorry. I thought you were calling the next student.”
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