How fast can a ball travel in an Olympic table tennis match?我想要答案,不好意思哈,刚才没说清

How fast can a ball travel in an Olympic table tennis match?我想要答案,不好意思哈,刚才没说清 how fast ______the horse________(can,run) How fast can the horse run? how fast can you run?怎么回答? how can you let a bike run as fast as a train You are growing so fast.Can you tell me __________ now?A.how fast are you B.how fast you areC.how tall are you D.how tall you are是选D 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 海豚,dolphins,快!求How long can dolphins live?How far can a dolphin swim in a day?How fast can dolphins swim per hour?How do dolphins sleep?How long do dolphins sleep?回答,快!要准确的答案！！！！！！！！！！！！！！！！ how fast does a dalloon travel? How fast does a balloon travel? 懂英文的进.A light is at the top of a pole 80ft high.A ball is dropped at the same height from a point 20ft from the light.Assuming that the ball falls according to the law s=16t^2,how fast is the shadow of the ball moving along the ground one s How can people move as fast as animals and fish? How can people move as fast as abimals and fish? How can people move as fast as animal? How can people move as fast as animals and fish? ______ fast can Tom run!填what还是how how fast can the cheetah run?什么回答呢