单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．Wait for about three minutes.
B．Try dialing the number again.
C．Call again some time later.
D．Make an appointment with Dr. Chen.
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单项选择题
A．Put the homework on Don’s desk.B．Leave the master key for Don.C．Give Don’s students the next assignment.D．Call Don at the end of the afternoon.
A．Put the homework on Don’s desk.
B．Leave the master key for Don.
C．Give Don’s students the next assignment.
D．Call Don at the end of the afternoon.
单项选择题
A．To impose restrictions on further immigration.B．To improve the working conditions of immigrants.C．To set a minimum wage level for new immigrants.D．To put requirements on languages for newcomers.
A．To impose restrictions on further immigration.
B．To improve the working conditions of immigrants.
C．To set a minimum wage level for new immigrants.
D．To put requirements on languages for newcomers.
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