单项选择题

What is the probable relationship between the two speakers（）

A．Manager and clerk.
B．Director and secretary.
C．Doctor and nurse.
D．Professor and student.

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单项选择题

A．A close friend of Dr. Johnson.
B．A regular patient of Dr. Johnson.
C．A new patient of Dr. Johnson.
D．An old patient of Dr. Johnson.

单项选择题

A．About a clay.
B．About two days.
C．About a week.
D．The speakers don’t tell us.

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