Air pollution has become ____than ever before...

Air pollution has become ____than ever before. We must do something to stop it.

A. the more serious　　　　　　　　　　 B. more serious

C. seriouser　　　　　　　　　　　　　 　 D. the most serious

九年级英语单项填空中等难度题查看答案及解析

Air pollution has become__________ than ever before. We must do something to stop it.

A. serious    　　　　　 B. more serious　　　　　　

C. most serious    　　 D. the most serious

九年级英语单项填空简单题查看答案及解析

Air pollution has become 　　 than before. We must do something to stop it.

A. serious 　　　　　　　　　 B. more serious

C. most serious　 　　　　　　 D. the most serious

九年级英语单项填空中等难度题查看答案及解析

2018年上海浦东二模 Noise pollution has become___________than ever before. We must do something to stop it.

A. serious　　 B. more serious　　 C. most serious　　 D. the most serious

九年级英语单选题困难题查看答案及解析

Air pollution is becoming　　　　　　 than ever before, so many families prefer to buy electric cars。

A. serious　　 B. more serious

C. more seriously　　 D. the most seriously

九年级英语单选题中等难度题查看答案及解析

Now the air in our town is __ than before.

Yes. Something must be done to stop the pollution.

A. even worse　 B. rather bad　　

C. very good　 D. much better　

九年级英语单项填空中等难度题查看答案及解析

Air pollution is becoming more and more serious, 　　　 actions must be taken to stop it.

A. so　　　　　　　　　　　　 B. but　　　　　　　　　　　　 C. or　　　　　　　　　　　　 D. until

九年级英语单项填空简单题查看答案及解析

Air pollution is becoming more and more serious, ________ action must be taken to stop it.

A. so　　 B. but　　 C. or　　 D. until

九年级英语单选题简单题查看答案及解析

—I can hardly breathe . Our earth is becoming more and more polluted .

—So we must stop pollution ______ a green life.

A. living　　 B. from living　　 C. to live　　 D. live

九年级英语单选题中等难度题查看答案及解析

The air pollution is serious, ________ we must try our best to reduce it.

A. so　　　　　　 B. or　　　　　　 C. if

九年级英语单项填空中等难度题查看答案及解析