Many old inventions in this science museum were invented ________ years ago.


  1. A.
    hundreds of
  2. B.
    hundred of
  3. C.
    two hundreds
  4. D.
    two hundred of
A
本題考查hundred的用法。hundred，thousand，million等詞被數(shù)詞修飾時，不用復數(shù)，后跟of時，需用復數(shù)，不可與數(shù)詞連用。故選A。hundreds of意為“成百上千的……”。句意為：在這個科學博物館里很多古老的發(fā)明都是好幾百年前發(fā)明的。
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