单项选择题

The announcement is made ______.

A．during the flight
B．before taking off
C．after taking off
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单项选择题
Can people smoke in the plane
A．No, they can't.
B．Yes, but only in some areas of the plane.
C．Yes, but only in the cabin.
单项选择题
If you want to have a meal in the restaurant, what should you do first
A．Make a reservation.
B．Telephone them.
C．Just go there.
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