—The sky looks terrible!—It will be worse ___...

—The sky looks terrible!

—It will be worse __________we take action to protect the environment.

A.unless B.if C.when D.after

九年级英语单选题中等难度题查看答案及解析

---The air pollution is terrible.

--- It will be worse 　　　　 we take action to protect the environment.

A. if　　　　　　　　 B. unless　　　　　　　 C. so　　　　　　　　 D. though

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 terrible.

---It will be worse _______ we take action to protect the environment.

A.　 if　　　　　　 B. unless

C. until　　　　　 D. When

九年级英语单项填空简单题查看答案及解析

--The air pollution is terrible.

--It will be worse_______ we take action to protect the environment.

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

九年级英语单项填空简单题查看答案及解析

—The air pollution is terrible.

— It will be worse ________ we take action to protect the environment.

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

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 terrible.　　

- It will be worse ________ we take action to protect the environment.

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

九年级英语单项填空简单题查看答案及解析

- The air pollution is terrible.

- It will be worse ________ we take action to protect the environment.

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

九年级英语单项填空简单题查看答案及解析

—The air pollution is terrible.

— It will be worse ________ we take action to protect the environment.

A. if　　　　　 　　　　　　 B. unless

C. until　　　　 　　　　　 D. when

九年级英语单项填空困难题查看答案及解析

—The air pollution is terrible.

— It will be worse ________ we take action to protect the environment.

A. if　　 B. unless　　 C. until　　 D. When

九年级英语单项填空简单题查看答案及解析

— The air pollution is terrible.

— It will be worse ________ we take action to protect the environment.

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

九年级英语单项填空中等难度题查看答案及解析