本模块知识网络语法达标学习使用but,however,although和while表达转折和对比。We are making progress but we need to make greater progress.Although developed countries give some financial help,they need to give much more.In the last ten years in China,150 million people moved out of poverty.However,the challenges are still great.Norway is at the top of the list,while the United States is at Number 7.