2. 职称英语
  3. Not until all the fish died in the river ______ how serious the pollution was.A、

Not until all the fish died in the river ______ how serious the pollution was.A、

游客2023-10-09  69
问题 Not until all the fish died in the river ______ how serious the pollution was.
选项 A、the villagers realized
B、the villagers did realize
C、did the villagers realize
D、didn’t the villagers realize
答案 C
解析
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