Accordingtotherulesofthefactor

发布时间：2020-07-27 23:53:32

According to the rules of the factory,you mustn't ask for leave ________ you have a dactor note．A.unlessB.on condition thatC.thoughD.until

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A解析解析：考查连词法。unless除非；on condition that；以……为条件；though尽管；until直到。只有A合题意。
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