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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
試題分析:考查時態(tài)和介詞:時間是Up to now,時態(tài)是現在完成時,句意:價格最近一直在上升,到現在為止,石油價格已經上升了20%。Increase by上升了。選D。
考點:考查時態(tài)和介詞
點評:試題的考查要根據上下文的語境和句子中的關鍵詞。本題就是根據上下文的語境來進行辨析的。還有介詞by,可以表示相差了,reduce by減少了。
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