单项选择题
M: I’d like to place a call to Bonn, Germany. How much does it cost W: 10 dollars for the first three minutes and 3 dollars for each additional minute.
A.An operator. B.An instructor. C.A guide.
A.Mr Alexander is wanted on the phone but he is out. B.Mr Johnson is wanted on the phone but he is out. C.Mr Alexander works for ABC Imports.
A.So do many other machines B.Many other machines do so C.So many other machines do D.Many other machines so do