It was too hard for the firefighters to get close to the burning building．All th

题干

It was too hard for the firefighters to get close to the burning building．All their attempts to rescue the people trapped were .

A．in vain

B．in return

C．in place

D．in danger

上一题下一题 0.85难度单项选择更新时间:2010-07-29 10:02:26

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