单项选择题

A．Attracting mates.
B．Staking their territories.
C．Hearing each other.
D．Sleeping.
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单项选择题
Disability insurance can completely cover your loss.
A．Y
B．N
C．NG
单项选择题
A．Announce appeals for public service.B．Hold a charity concert to raise money.C．Ask the school radio station for help.D．Pool money to fund the radio station.
A．Announce appeals for public service.
B．Hold a charity concert to raise money.
C．Ask the school radio station for help.
D．Pool money to fund the radio station.
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