How fast does a balloon travel?

how fast does a dalloon travel? How fast does a balloon travel? ____ does he read english?-every year A How long B How often C how soon D How fast how fast does an aeroplane travel? Amy does not swim as fast as Ball.(同义句) Amy swims ____ _____than Ball. 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 does a balloon travel?sorry BUT I WANT THE ANSWER Does she have a soccer ball?意思 How does John feel when the ball hits his head? how does John feel when the ball hits his head? How does John feel when the ball hits hls head ___ does it take you to enjoy the film?A.How far B.How fast C.How many times D.How much time how fast does a balloon travel?How about an overplance?How about a space shuttle?谁可以回答了这些问题呀?大哥大姐! small ball 意思（what does small ball mean?small ball waht does small ball mean,apart 'a ball which is very small? 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 ____they have a soccer____?A,Do ,balls B,Do ball C,Does ,ball, D,Are,balls Does Jim have a soccer ball?Yes ,he does 这个问答中为什么 答句中要 有does Does he have a ping-pong ball?中文意思