单项选择题

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

A．The CPU is broken.
B．The screen is flashing
C．It doesn’t w0rk.
D．It dropped to the floor.
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单项选择题
A．Camp in the mountains.B．Stay at his own house.C．Write to his girlfriend.D．Hold his uncle’s mails.
A．Camp in the mountains.
B．Stay at his own house.
C．Write to his girlfriend.
D．Hold his uncle’s mails.
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