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           we are laid off, all of us will have to be retrained and improve ourselves.
A.UnlessB.So thatC.UntilD.In case
D

试题分析:连词辨析。A除非,如果…不;B以至于;C直到…才;D以防;句意:以防我们被解雇,我们所有人都不得不再次被培训以提高我们自己。故D正确。
点评:in case是一个条件句的连词,条件句中要使用一般现在时代替将来时。连词的词义辨析要放在上下文的语境中进行,要注意上下文的语义的串联以及逻辑关系的推理,特别要注意一些连词和时间状语的固定搭配。
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