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18、When faced with life and death decisions,       a teacher can be expected to do is to protect students with his or her own life．

A．that    B．what    C．how   D．whether

18、B

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科目：高中英語 來源： 題型：

When faced with life and death decisions,       a teacher can be expected to do is to protect students with his or her own life．

A．that    B．what    C．how   D．whether

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科目：高中英語 來源： 題型：

When faced with life and death decisions, _______ a teacher can be expected to do is to protect students with his or her own life．

A．That             B．What            C．How             D．Whether

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