All workers should carry out their normal duties during the safety inspection tomorrow___________otherwise instructed．

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问题 All workers should carry out their normal duties during the safety inspection tomorrow___________otherwise instructed．

选项 A、through
B、unless
C、despite
D、about

答案B

解析句子表示“如果没有收到其他的指示”，因此连词B意为“如果不……”为正确的答案。

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