The coal miners in the coal mine fo

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
星梦情缘 1年前 已收到1个回答 举报

thy890323 幼苗

共回答了25个问题采纳率:92% 举报

C

考查时态。根据before we came to their rescue用一般过去时,故煤矿工人被困为过去的过去,故用过去完成时,选C。

1年前

7
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