— terrible pollution!—Yes. We have to do some...

—　　　　　　 terrible pollution!

—Yes. We have to do something to protect our environment.

A. What　　　　　　 B. What a　　　　　　 C. How　　　　　　　 D. How a

九年级英语单项填空中等难度题查看答案及解析

—The air pollution is so terrible.

--It will be worse 　　　　 we do something to protect the environment.

A. if　　　　　　　　　　　 B. unless　　　　　　 C. after　　　　　　　　 D. when

九年级英语单项填空中等难度题查看答案及解析

---Must we finish the work today?

---________. We have something else to do tomorrow.

A. Yes, we can　　　　　 B. No, we can’t

C. Yes, we must　　　　 D. No, we needn’t

九年级英语单项填空中等难度题查看答案及解析

---Must we finish the work today?

---________. We have something else to do tomorrow.

A. Yes, we can　　 B. No, we can’t

C. Yes, we must　　 D. No, we needn’t

九年级英语单选题中等难度题查看答案及解析

---We can have ______ bluer sky if we create 　　　　 less polluted world.

---Yes, everyone should do something.

A. a; a B. a; the C. the; a D. the; the

九年级英语单选题中等难度题查看答案及解析

We must do something important to stop the pollution ____ a happy life.

A. live　　　 B. to live

C. living　　 D. from living

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 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

The exhibition tells us 　　　　　 we should do something to stop air pollution.

A. where　　 B. which

C. what　　 D. why

九年级英语单选题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. 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

The earth will become worse and worse ________ we do something to stop her from being polluted.

A. if　　　　　　　 B. even if　　　　　　　　 C. when　　　　　　　　　　 D. unless

九年级英语单项填空中等难度题查看答案及解析