how fast ______the horse________(can,run)

how fast ______the horse________(can,run) how to lose weight fast How fast the boy______(run)! Look!How fast she____(run) how to grow fast up 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 can the horse run? how fast the rabbit run!改错 how fast can you run?怎么回答? look ,how fast the train ___(run) how fast the time flies!有语病? How about you Are you fast 意思 how fast does a dalloon travel? How fast does a balloon travel? how fast did the winning car go how about you?are you fast.