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34．The coal miners in the coal mine for 10 hours before we came to their rescue. A．had trapped B．had been trapping C．had been trapped D．would have been trapped 【查看更多】

 

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The coal miners     in the coal mine for 10 hours before we came to their rescue.

       A．had trapped                                       B．had been trapping

       C．had been trapped                                D．would have been trapped

 

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The coal miners    in the coal mine for 10 hours before we came to their rescue.


  1. A.
    had trapped
  2. B.
    had been trapping
  3. C.
    had been trapped
  4. D.
    would have been trapped

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The coal miners ____ in the coal mine for 10 hours before we came to their rescue.
[     ]
A. had trapped
B. had been trapping
C. had been trapped
D. would have been trapped

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The coal miners________in the coal mine for 10 hours before we came to their rescue.
[     ]
A．had trapped  
B．had been trapping
C．had been trapped  
D．would have been trapped

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The coal miners________in the coal mine for 10 hours before we came to their rescue.
[      ]
A. had trapped  
B. had been trapping
C. had been trapped  
D. would have been trapped

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