上井口需要下人或物料时需先向（）联系。
A、下井口信号工
B、提升机房
C、把罐工
参考答案：A
--- Excuse me! Could you tell me ____________?
--- Sure. Go straight and turn right. It’s down Bridge Street on your left.
A．where can I find a pay phone
B．where I can find a pay phone
C．when can I find a pay phone
D．when I can find a pay phone
