While living standards have improved,environmental problems have become increasingly severe.这句话是什么结构啊

living living Living living living Living living 语法问题 what did you do,while you were living in Spain?do, , , while , were living哪个是错误的.第二个是中间的逗号, 英语翻译I should've listened while the angels were living here While life goes despair.the whole world lose its color.Living,is just for death. 翻译句子The women talked in the living room while the men were otherwise occupied. be happy while you are living,for you are a long time dead While living standards have improved,environmental problems have become increasingly severe.这句话是什么结构啊 Be hapyy while you are living,for you are a long time dead试问麽意思? 谚语be happy while you're living,for you are a long time dead Be happy while you're living ,fou you're a long time dead. mon comes in while Dad ( ) newspaper in the living roomA.is read B.is readingC.reads living are popular in the cities while the w_______ of farming .