I think that something has to be done to stop the air from being polluted ?A. doesn't it

问题补充：

I think that something has to be done to stop the air from being polluted, ?

A. doesn it

B. don’t I

C. don they

D. haven they

答案：

(答案→)A. doesn it

B. don’t I

C. don they

D. haven they

解析：考查反意问句：句意：我想为了阻止空气被污染，要采取一些措施了。一般主句的主语是第一人称反义疑问句用从句中的提问，陈述部分有has to +v. ，疑问部分常用doesn +主语，选A。