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 |
推荐试卷
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 |
试题篮
()
粤公网安备 44130202000953号
