Not until all the fish died in the river how serious the problem of water pollution was.A．did they realizeB．they did realizeC．had they realizedD．they had realized 题目和参考答案——青夏教育精英家教网——

题目内容

Not until all the fish died in the river how serious the problem of water pollution was.

A．did they realize

B．they did realize

C．had they realized

D．they had realized

A

解析

练习册系列答案

1加1阅读好卷系列答案

专项复习训练系列答案

初中语文教与学阅读系列答案

阅读快车系列答案

完形填空与阅读理解周秘计划系列答案

英语阅读理解150篇系列答案

奔腾英语系列答案

标准阅读系列答案

53English系列答案

考纲强化阅读系列答案

相关题目

Not until I began to work ________ how much time I had wasted.

A. didn’t I realize B. did I realize C. I didn’t realize D. I realize

It was not until she had arrived home _____ her appointment with the doctor.

A. did she remember B. that she remembered

C. when she remembered D. had she remembered

It is not until the disease has progressed to AIDS ____a person begins to look sick.

A．who B．that C．where D．before

It was not until I came here ____ I realized this place was famous, for not only its beauty but also its weather.

A．who

B．that

C．where

D．before

It was not until dark ______ he found that it was the correct way to solve the problem.

A．that B．what C．which D．when