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B. Do some exercises.

A. Ride their bicycles.

18. What are the listeners going to do on Saturday afternoon?

聽下面一段材料，回答第18至第20題。

C. Most people in Montreal speak French.

B. All the buildings in Quebec City are old.

A. Only French is spoken in Montreal.

17. What can we learn from the conversation?

C. It is far away from the St. Lawrence River.

B. It is the biggest city in Quebec Province.