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The rescuing task ended .The trapped miners had already died when they were fina

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The rescuing task ended .The trapped miners had already died when they were fina

The rescuing task ended ________.The trapped miners had already died when they were finally found.

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A.in turn

B.in vain

C.in return

D.in order

试题答案

答案:B

解析:

in vain:徒劳,救援队的努力最终白费了,当他们找到那些被困矿工时他们已经死亡了。