单项选择题

A．To represent his firm.
B．To have an interview.
C．To pay a social call.
D．To service a computer.
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单项选择题
A．He’s going to sell his house.B．He’s going to find an apartment.C．He’s found an apartment.D．He’s moved to downtown.
A．He’s going to sell his house.
B．He’s going to find an apartment.
C．He’s found an apartment.
D．He’s moved to downtown.
填空题
Internet users may adopt anti-virus and anti-spyware computer programs,____________ in order to safeguard themselves against-identity theft.
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