↑ 收起筛选 ↑
试题详情

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

高二英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题