they suggest the number of cars should be limited to stop air pollution_,the idea is not vert practicala sounds good as it b as it sounds good c as good it sound d good as it sounds

问题描述:

they suggest the number of cars should be limited to stop air pollution
_,the idea is not vert practical
a sounds good as it b as it sounds good c as good it sound d good as it sounds

B,as 虽然