题目内容
_____ we have enough evidence, we can’t win the case.
| A．Once | B．As long as | C．Unless | D．Since |
C
解析试题分析：A. Once一旦，B. As long as 只要，C. Unless除非，D. Since 自从，句意：除非我们有足够的证据，否则我们不能赢得这个案子。选C。
考点：考查连词
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| A．let out | B．wiped out | C．made out | D．left out |
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| A．make a difference | B．make sense | C．make progress | D．make a choice |
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| A．nothing | B．no one | C．neither | D．none |
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| A．take up | B．put up | C．make up | D．set up |
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| A．much too heavy | B．too much heavy |
| C．heavy too much | D．too heavy much |
—John，when shall we meet again，Thursday or Friday?
—________.I'll be off to London then.(2012·重庆)
| A．Either | B．Neither | C．Both | D．None |
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| A．nervously and puzzled | B．nervous and puzzling |
| C．nervous and puzzled | D．nervously and puzzling |