Not until all the fish died in the river ______ how serious the pollution was.
A.the villagers did realize | B.the villagers realized |
C.did the villagers realize | D.didn’t the villagers realize |
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Not until all the fish died in the river ______ how serious the pollution was.
A.the villagers did realize | B.the villagers realized |
C.did the villagers realize | D.didn’t the villagers realize |