There will be less pollution ( ) the air.这里要填什么,A.on B.in C.for
问题描述:
There will be less pollution ( ) the air.这里要填什么,A.on B.in C.for
答
in 吧。。。空气里的污染会变少
答
b
答
选B
意思是“空气中的污染”