19．I got an e-mail this morning．It's my best friend John．A．in B．on C．a(chǎn)t D．from 【查看更多】

 

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I got an e-mail this morning．It's ________ my best friend John．


  1. A.
    in
  2. B.
    on
  3. C.
    at
  4. D.
    from

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I got an e-mail this morning．It's         my best friend John．

A．in                        B．on                       C．a(chǎn)t                          D．from

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I got an e-mail this morning．It's ________ my best friend John．

[　　]

A．in

B．on

C．at

D．from

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