What is the most expensive type of call? What can you do if the international line is engaged?

admin2009-04-15  25

问题 What is the most expensive type of call?
What can you do if the international line is engaged?

选项 A、Ask the operator to call you back later.
B、Make a "person-to-person" call.
C、Call back outside office hours.
D、Walt and call again when the line is free.

答案A

解析 从文章第二段最后一句话可知,If the international line is busy,you can reserve(留下)a call,explain the number you want and the operator will call you back when the line is free.要是占线的话,你可以留下电话,等空闲时接线员会通知你的。所以正确的答案为A。
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