专四专八考试

【单选题】Which of the following is TRUE、of the service at a bar
A、
A、customer has to tip the waitress.
B．
A、customer has to pay each time he gets drinks.
C．
A、customer has to pay for all the drinks when he is leaving.
D．
A、customer has t9 sit at the table to wait for their turn to be serveD、

网考网参考答案：B
网考网解析：
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