Clean air is important to good health.请问to good health是什么成分?

句型转换 The air today is very clean.The air today is ___ ___ clean. the air is nice and clean怎么翻译? I love places ______ the air is clean and nice clean air is good for our health意思 Is the air in your city clean?（实答） The air is not clean. 问句怎么问? there is less and less clean air in Japan make the air clean the clean air federal clean air laws.. there is ___ clean water , nor clean air and nor clean land 这个应该填neither还是none? 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? 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? Clean air is important to good health.请问to good health是什么成分? the air is fresh here.the air here is very clean.这两个句子中here位置为什么不一样呢?说一说here在句子中的位置. _____ is nice and clean.A.The air of today B.Today air C.The today air D.The air today我知道答案是D,但是不知道为什么,还有为什么不选A