How fast can the fastest people swim?怎么回答

How fast can the horse run? how fast can the cheetah run?什么回答呢 How fast can the fastest people swim?怎么回答 How fast the boy______(run)! how fast ______the horse________(can,run) how fast can you run?怎么回答? Speed is the measure of how fast a personSpeed is the measure of how fast a person can run翻译成汉语 时how fast can one run还是how fast one can run how fast the time passed!fast可以换成quickly吗? look how fast the train-------（run） 汉语how fast running the boy is how fast the rabbit run!改错 look ,how fast the train ___(run) how fast the time flies!有语病? how fast did the winning car go The boy can run fast 对run fast 提问 Can you stand up on the ice?How did I do?You learn fast.He falls down again. what can make the hair grow fast