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Not until all fish died in the river ______ how serious the pollution was.
A．did the villagers realize B．the villagers realized
C．the villagers did realized D．didn’t the villagers realize
查看习题详情和答案>>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
查看习题详情和答案>>Not until all the fish die 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 |