单项选择题

● Listen to the talk on import regulations. ● For each questions 23--30, mark one letter (A, B or C) for the correct answer ● After you have listened once, replay the recording. Many guests like to eat in their rooms______.

A. so they can watch TV while they eat.
B. because it is cheaper than the restaurant.
C. so they can do more work.
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单项选择题
Which chart is correct