单项选择题

People are asked ______.

A．to read the book Safety in Flight
B．to find out where they can smoke
C．to buy something during the flight
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单项选择题
How many seats are there in the restaurant
A．20.
B．10.
C．30.
单项选择题
Why did the woman cook set up this restaurant
A．To earn money.
B．To give children chances to learn to be useful to the public.
C．To attract customers.
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