单项选择题

Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A．Natural food.
B．Organic food.
C．Health food.
D．The processing of food.
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单项选择题
A．To the supermarket.B．To the restaurant.C．To the fitness club.D．To the university.
A．To the supermarket.
B．To the restaurant.
C．To the fitness club.
D．To the university.
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