题目内容

I wonder how many years ago ___________


  1. A.
    did your father retire
  2. B.
    has your father retired
  3. C.
    your father retired
  4. D.
    your father has retired
C
考查宾语从句。根据从句时间状语how many years ago可知从句叙述的过去的动作,故用过去时态,宾语从句一般用陈述语序,故选C。
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