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    精英家教网 > 高中英语 > 题目详情

    Having failed my English exams, I decided ________ science subjects.


    1. A.
      to concentrate
    2. B.
      to concentrate with
    3. C.
      to concentrate on
    4. D.
      to concentrate to
    C
    本题主要考查concentrate一词的搭配用法，从左栏的归纳讲析中可以看到，与之连用的介词on，因此就不难排除A、B、D三项。全句意为“我因英语考试不及格而决心专攻理科”。
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