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Prices are always rising these days. Up to now, the petrol price _______ 20%.


  1. A.
    increased by
  2. B.
    increased to
  3. C.
    has increased to
  4. D.
    has increased by
D
试题分析:考查时态和介词:时间是Up to now,时态是现在完成时,句意:价格最近一直在上升,到现在为止,石油价格已经上升了20%。Increase by上升了。选D。
考点:考查时态和介词
点评:试题的考查要根据上下文的语境和句子中的关键词。本题就是根据上下文的语境来进行辨析的。还有介词by,可以表示相差了,reduce by减少了。
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