The sunlight came in ________ the windows in the roof and lit up the whole room.


  1. A.
    through
  2. B.
    across
  3. C.
    on
  4. D.
    over
A
解析：
太陽光只能通過（穿透）窗戶照亮房間，故應(yīng)選A。
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C

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