Though measures have now been taken to prevent further price hikes, many people remain _______ over the rising cost of food.


  1. A.
    be concerning
  2. B.
    concerns
  3. C.
    concern
  4. D.
    concerned
D
試題分析：考察concern用法。形容詞concerned擔(dān)心的；與系動(dòng)詞remain連用，構(gòu)成系表結(jié)構(gòu)。Concerns是名詞擔(dān)心；句意：盡管措施已經(jīng)被采取來預(yù)防價(jià)格上漲，很多人仍然對(duì)于食品價(jià)格的上漲很擔(dān)心。故D正確。
考點(diǎn)：考察concern用法
點(diǎn)評(píng)：該詞是高中階段的重要的詞匯之一，concern可以作為動(dòng)詞；介詞concerning關(guān)于…；還可以構(gòu)成固定搭配as far as sb be concerned就…而言。
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