单项选择题


Questions 19 to 21 are bused on the conversation you have just heard.

A．It is used too much.
B．It is more necessary than E-mail.
C．It is very convenient.
D．It has more problems than benefits.
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单项选择题
A．Make some copies for her.B．Buy copy paper for her.C．Show her how to use the copy machine.D．Show her where the stationery store is.
A．Make some copies for her.
B．Buy copy paper for her.
C．Show her how to use the copy machine.
D．Show her where the stationery store is.
单项选择题
A．Enrolling in a business class.B．Airline reservations.C．Concert tickets.D．An important meeting.
A．Enrolling in a business class.
B．Airline reservations.
C．Concert tickets.
D．An important meeting.
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