The air is not clean. 问句怎么问?

The air is not clean. 问句怎么问? 句型转换 The air today is very clean.The air today is ___ ___ clean. make the air clean the clean air 英语翻译1.Long ago london was not a clean city .there was a lot of smoke in the air because there were lots of factories this is not true today .the air there is quite clean now the air is nice and clean怎么翻译? I love places ______ the air is clean and nice Is the air in your city clean?（实答） The wind is b____ hard but the air is cleThe wind is b____ hard but the air is clean. 原文the air is nice and clean today.判断the weather is nice and clean.判断是对还是错? Trees not only cool the air but also clean it.(保持原句意思)Trees cool the air as —— —— and clean it. IS the air fresh or clean go your city?IS the air fresh or clean go your city?Are there many trees and flowers in your city? Is the air clean in the country?肯定回答怎么答? the air was so clean,air前面要不要the There is not air on the moon怎么改 改病句 there is not air on the moon The water is not dirty but very ___(cold/clean) This can not only clean the air,but it will also save energy for the building.的翻译.