Not until all the fish died in the water ____...

Not until all the fish died in the water _____ 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查看答案及解析

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查看答案及解析

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

高二英语单项填空中等难度题查看答案及解析

Not until all the fish died in the river _____ how serious the pollution was.

高二英语单项填空中等难度题查看答案及解析

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查看答案及解析

It was not until all the fish in the pond died that________ the situation was serious.

A. did he realize　　　　 B. he realized

C. he had realized　　 D. had he realized

高二英语单项填空简单题查看答案及解析

_______he was laid off last year ______ how serious the economic crisis was.

高二英语单项填空简单题查看答案及解析

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

We all know that fish live in the water. But there is a kind of fish living in the desert. This kind of fish is called the lungfish. The lungfish is a type of fresh water fish best known for its 1. （able）to live on land, without water, for months on end, and sometimes even for years.

As its name suggests, the lungfish has a highly evolved breathing system 2. can take oxygen straight from the air, just like land animals do. While they still live in the water, the lungfish needs to 3. （regular）come up to the surface for air. And 4. is astonishing is that these fish can even die if they are in the water for a long time. Therefore, they need to avoid 5. （put）underwater.

When in the water, the lungfish behaves like other 6. （type）of fish, swimming and eating small fish at 7. bottom of ponds and lakes. But when the dry season hits, the lungfish will bury itself deep into the mud, where it secrets mucus（分泌粘液）out of its skin that hardens to form a protective cocoon（茧）around it. Only the mouth　 8. （leave）for breathing.

Lungfish is one of the most ancient bony fish 9. （discover）on the earth today. They are very much like the fish that 10. （live）two hundred million years ago. And now lungfish is found only in Africa, South America and Australia.

高二英语语法填空中等难度题查看答案及解析

Not until he fainted (昏厥)in the office did we fully　　　　 that he was seriously ill.

A. appreciate　　 B. accomplish　　 C. attain　　 D. admit

高二英语单项填空中等难度题查看答案及解析

Bach died in 1750，but it was not until the early 19th century ________his musical gift was fully recognized.

A. while　　 B. though

C. that　　 D. after

高二英语单项填空中等难度题查看答案及解析