Not until all the fish died in the river, （） how serious the pollution was.

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Not until all the fish died in the river, （） how serious the pollution was.

A.did the villagers realize

B.the villagers realized

C.the villagers did realize

D.didn’t the villagers realize

正确答案：A

Tag：大学英语高职版时间：2021-12-05 13:43:38

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