单项选择题

The children ______ before they work in the Restaurant.

A．must be trained
B．must be over seven years old
C．should know how to read and write
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单项选择题
The Children Restaurant opens ______.
A．twice a week
B．every day
C．from Monday to Friday
单项选择题
The council of animals appeared ______.
A．unfriendly
B．friendly
C．eager to be of assistance
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