唉声:叹气:憋闷( )

唉声:叹气:憋闷( )

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The old man lived__________, but he didn' t feel

The old man lived__________, but he didn' t feel

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Some scientists think it may take__________years to make rob

Some scientists think it may take__________years to make robots look like people

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我国的艾滋病死亡率约为(  )。

我国的艾滋病死亡率约为(  )。

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4,3, 8,21,160,( )。

4,3, 8,21,160,( )。

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