The coal miners________in the coal mine for 10 hours before we came to their rescue.[ ]A. had trappe

题目简介

The coal miners________in the coal mine for 10 hours before we came to their rescue.[ ]A. had trappe

题目详情

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
题型:单选题难度:中档来源:陕西省同步题

答案

C

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