Mice ________ a disease which is deadly and ________ quickly．


  1. A.
    spreads; spreads
  2. B.
    is spreaded ; spreaded
  3. C.
    spread; spreads
  4. D.
    are spread; spreads
C
主語mice是復(fù)數(shù)形式，所以謂語不能是第三人稱單數(shù)形式。第一個(gè)空spread為及物動詞，第二個(gè)空spread為不及物動詞。spread的過去式、過去分詞和原形一樣。
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