Shanghai is a big city on Huangpu --- with 13 ---people.用适当的

Shanghai is a big city on Huangpu river___ with 13 _million__people 再问： the Oriental Pearl Tower什么意思？ 再答： 东方明珠塔再问： Inner Mongolia iis in the____of China系神马意思？ 再答： Inner Mongolia is in the_north___of China 内蒙古在中国的北方。