单项选择题

A．To stay off the phone.
B．To use a cordless phone.
C．To hold a phone with wires.
D．To stay away from plumbing pipes.
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单项选择题
A．Over the radio.B．From a house agent.C．In the local newspaper.D．On the school bulletin board.
A．Over the radio.
B．From a house agent.
C．In the local newspaper.
D．On the school bulletin board.
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institutions
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