-----where has his brother been ? ------No one knows. He has returned home safel

题干

-----where has his brother been ?
------No one knows. He has returned home safely but his missing made the police _____ .

A．to puzzle

B．puzzling

C．puzzled

D．be puzzled

上一题下一题 0.4难度单项选择更新时间:2012-05-21 08:35:26

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