填空题

Which problem is not mentioned in the passage

【参考答案】

Traffic problem.
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单项选择题
What do we learn from the story
A．The trip didn’t do any good to his health.
B．The trip was a complete disappointment.
C．The trip was enjoyable but not fruitful in terms of business.
D．The trip helped him meet many interesting people.
填空题
When he was sick in bed, he did exercises to make __________.
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