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精英家教網 > 高中英語 > 題目詳情

There are 900 students in our school, ________ 40% are girls.


  1. A.
    of which
  2. B.
    of whom
  3. C.
    of them
  4. D.
    in them
B
解析:
students是先行詞。如兩句間是句號,應選C,且of要大寫首字母。
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