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s(1 4) in the order you hear them. 6,300 5,000 5,464 300___ The Yangtze River is about ____ kilometers long and the Yellow River is ___ kilometers long.___ China has the biggest population in the world. It’s a lot bigger than the population of the US.___ China is over ___ years old. It has a much longer history than the US. The US is not even ___ years old.___ China is almost as big as the US, but it is the biggest country in Asia. ts 4213Task 2 2b Listen again and fill in the blanks in 2a with the numbers in the box. 6,300 5,000 5,464 300___ The Yangtze River is about _______ kilometers long and the Yellow River is ______ kilometers long.___ China has the biggest population