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题目内容
（河北农业大学大学英语Ⅳ）
An anonymous letter_______the possibility of a terrorist attack at the airport.
A、accused the police of
B、alerted the police to
C、urged the police to
D、reminded the police about
A、accused the police of
B、alerted the police to
C、urged the police to
D、reminded the police about
参考答案
