题目内容

--Sorry. I ________ your letter.

--Never mind. I will do it myself after school.


  1. A.
    didn't post
  2. B.
    don't post
  3. C.
    hadn't posted
  4. D.
    haven't posted
D
解析:考查时态。句意为:我还没有帮你寄信。没事,我放学后自己邮寄。根据句意可知“我还没有帮你寄信。”应该用现在完成时态。故选D。本题稍难。
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