单项选择题

A．At a post office.
B．At a bank.
C．At a restaurant.
D．At an airport.
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A．Beginning.B．Intermediate.C．Advanced.D．Professional.
A．Beginning.
B．Intermediate.
C．Advanced.
D．Professional.
单项选择题
A．Three groups of learners.B．The importance of business English.C．English for Specific Purposes.D．Features of English for different papacies.
A．Three groups of learners.
B．The importance of business English.
C．English for Specific Purposes.
D．Features of English for different papacies.
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