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According to the rules of the factory, you can ask for leave ________ you have a doctor’s diagnosed note.
A.now thatB.on condition thatC.unlessD.even though
B
考查连词。A既然;B=if如果;C除非,如果…不;D 即使;结合句意可知B正确。句意:根据厂规,如果你有医生的诊断条,你就可以请假。
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