why is the environment polluted so badly one reason is that the number of people who _cars _risingA owns are B owns is C own is D own are

分类: 作业答案 • 2021-12-20 02:06:20

问题描述：

why is the environment polluted so badly one reason is that the number of people who _cars _rising
A owns are B owns is C own is D own are

答

C own is
主语是number

答

c
people是集体名词,动词用原形
the number是单数,所以be 动词用is