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19．I just don’t understand that leads to so many teenagers becoming addicted to playing computer games． A．why it does B．what it does C．what it is D．why it is 【查看更多】

 

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I just don’t understand ______ that leads to so many teenagers becoming addicted to playing computer games.

A. why it does       B. what it does      C. what it is         D. why it is

 

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I just don’t understand ______ that leads to so many teenagers becoming addicted to playing computer games.


  1. A.
    why it does
  2. B.
    what it does
  3. C.
    what it is
  4. D.
    why it is

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I just don't understand _____ that leads to so many teenagers becoming addicted to playing computer games.
[     ]
A. why it does
B. what it is
C. what it does
D. why it is

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I just don"t understand _____ that leads to so many teenagers becoming addicted to playing computer games.

[     ]

A. why it does
B. what it is
C. what it does
D. why it is

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I just don’t understand ____that leads to so many teenagers becoming addicted to playing computer games.                                         

  A. why it does                                                            B. what it does             

C. what it is                                                                  D. why it is

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