We were glad to know that all the wokers who ——— in the mine were saved.A.had been trapped B trappedC had trapped Dwere trapping

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Weweregladtoknowthatallthewokerswho———inthemineweresaved.A.hadbeentrappedBtrappedChadtrappedDweretra

We were glad to know that all the wokers who ——— in the mine were saved.A.had been trapped B trappedC had trapped Dwere trapping
We were glad to know that all the wokers who ——— in the mine were saved
.A.had been trapped B trapped
C had trapped Dwere trapping

We were glad to know that all the wokers who ——— in the mine were saved.A.had been trapped B trappedC had trapped Dwere trapping
who引导的是一个定语从句,是一个句子,自然后面要包含所有句子成分.
一个句子只能说They had been trapped in the mine.
总不能说They trapped in the mine.它根本不是完整句子.被动语态没有be了.

选A 句意:我们很高兴知道所有被困在矿井中的工人得救了。所以选A,用被动语态表示被困的工人
这道题考得是动词的语态。B是一般过去时,C是过去完成时,D是过去进行时 。这三项都是主动语态,A是过去完成时+被动语态。

A.had been trapped

以为句子中的时态是过去时,所以证明这件事已经发生过,所以选A