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This machine is very easy . Anybody can learn to use it in a few minutes. A. ope

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This machine is very easy . Anybody can learn to use it in a few minutes. A. ope

Thismachine is very easy      . Anybody can learnto use it in a few minutes.

  A.  operating    B.  to be operating    C. operated       D.  to operate

 

试题答案

【答案】

D

【解析】

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