one of the biggest computer company is in the usa 哪个地方错啊

one of the biggest computer company is in the usa 哪个地方错啊 Beijing is one of the biggest cities in China意思 Beijing is one of the biggest cities in world 改错Chongqing is one of the biggest city in China. 改错:Beijing is one of the biggest city in China China is one of the biggest country in A___. canada is one of biggest countries in the world. Which star is one of the biggest in solar system? what is the biggest stste in the USA? New York is the biggest city in the USA One of the biggest problems in food. computer is one of the most useful( )in the world