单项选择题

A．Making a telephone call.
B．Operating a computer.
C．Talking to the operator.
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单项选择题
A．￡159.B．￡53.C．￡106.
A．￡159.
B．￡53.
C．￡106.
单项选择题
A．Prepare different sorts of salads.B．Invite the couple next door.C．Provide the food only.
A．Prepare different sorts of salads.
B．Invite the couple next door.
C．Provide the food only.
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