Monday morning he wrote an article on grammar. Monday morning he had written an article on grammar. A. By B. On C. At D. / 查看更多

 

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_____ Monday morning he wrote an article on grammar. _____ Monday morning he had written an article on grammar.


  1. A.
    By
  2. B.
    On
  3. C.
    At
  4. D.

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_____ Monday morning he wrote an article on grammar. 

_____ Monday morning he had written an article on grammar. 

A. By    B. On    C. At      D. /

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