Factories,the growing number of people are the r----------- for air pollution today.答案是responsible.我写的是reasons,为什么不对?

Religiosity has long been known to promote volunteering in the US and elsewhere.Despite the growin Factories and c____ make the air dirty. there are two ( ) in the cityA car'factory B car's factories C factories of car's D car factories Factories,cars and trucks are _______ the air.(pollute) Why aren't there many factories like the Symi factory? Wastewater from factories polluted the river为什么用polluted there are chemical factories souping waste into the 划线部分填什么 Factories must stop _______ the envi划线部分填什么Factories must stop _______ the environment . There are two (car factories) in the city,括号里为什么不选 B: car's factories C:factories of car's啊 There are two[ ]in the city A:car's factory B: car's factories C:factories of car'sD:car factories求详细解答 词性说明 factories variants stop the factories from pouring the dirty water into the rivers 7.People use water to make things in the factories.(就划线部分提问)________ ________ people use water in the factories? We often go to the countryside as well as to factories 为什么不是We often go to the countryside as well as to factories 为什么不是 go to factories The factories p_____ waste water into the river.翻译,加答案,加解题思路 the factories are not allowed to (pollution )the river by pouring chemical waste into it Look at the ____ .They are ____ hard in the factories(工厂).(work) 一英语试题：There are two _____in the city.选项为：A.car's factory B.car's factories C.factories of car's D.car factories 谢谢你们了,