题目内容
According to the rules of the factory,you mustn't ask for leave ________ you have a dactor note.
[ ]
A.unless
B.on condition that
C.though
D.until
答案:A
解析:
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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