2. 外语
  3. ______a few years ago, the existence of sexual harassment in many businesses was scarcely acknowledged.

______a few years ago, the existence of sexual harassment in many businesses was scarcely acknowledged.

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问题 ______a few years ago, the existence of sexual harassment in many businesses was scarcely acknowledged.
选项 A、Before
B、Since
C、Until
D、Up to
答案C
解析 A项before在题句中是明显不通的；B项since一般说来与完成时连用，表示“自从……以来”到某一时刻为止的状况；D项up to作“直到，达到”讲时，经常接数量意义的词，如：Packages can be up to 150 lb(70 kg)．“包裹的重量最多可达150磅(70千克)；C项until作“直到”讲时，多与否定词连用，如not…until…“直到……才……”。稍加仔细考生会很容易看出，题句用的否定词是scarcely“几乎不”，所以scarcely…until与not…until类似，C项是答案。
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