Although the rich man knew very clearly that the wine and food must be eaten by the servant1:::::::句子中that有什么用2:::::::为什么要用be被的关系BE的部分吗 不是很懂

Although the .英语改错括号里面不正确如何改正?Although the sea is rich with life,the (most great)part of it is not nearly as productive as the land. Although he isn't rich ,he---- ----- ----- to help the poor children虽然他不富裕,但是他想办法去帮助贫困的儿童（空内填什么） Although the rich man knew very clearly that the wine and food must be eaten by the servant1:::::::句子中that有什么用2:::::::为什么要用be被的关系BE的部分吗 不是很懂 Why is the river rich? Why was the river rich? called out the rich woman 英语翻译After investment adjustments,the attractiveness of resource-rich Russia and Brazil was weakened,while India and China became the top destinations for investment.Although India’s capital market is more developed than China’s,its macroe rich I would go to the Great wall with the Mary.改为一般疑问句 （ )（ )go to the Great wall with Mary?Although he is very rich ,he still lives a simple life.用but改为同义句He is very rich （ )he still ( )a simple life. Although he is very rich,he isn't g- 根据首字母填空 Although he was rich,__ he is not happy.为什么不用连词? although he is rich,---he is unhappyA or B / C yet D BorC .Mary is very rich.Mary has few friends.(用although连接两个句子） The rich is helping the poor. THE NATURAL HISTORY OF THE RICH怎么样 although the rich man's lifesos!quick! Henry is the _______(rich)among us