There（）lots of smoke in the air because there （）lots of factories and cars.A.is；is B.is；are C.are；are

分类: 作业答案 • 2021-12-20 03:00:49

问题描述：

There（）lots of smoke in the air because there （）lots of factories and cars.
A.is；is B.is；are C.are；are

答