As a boy, Ben loves to read.Once he 1 a book about swimming.He soon studies to 2 by himself.He also wants to know if(是否)there is some way to 3 people swim faster.He thinks a 4 of wooden paddles(木桨)grows in his mind.
He begins to work on the 5 .A few days later the paddles are ready.Ben tells his 6 that he will try the paddles out the next Saturday afternoon at Green’s pond.About 100 boys come to the pond that afternoon.They 7 to see if the paddles will work.
He fixes(固定)his hands and feet with the paddles. 8 he gets into the water, Ben begins to paddle.At first he swims slowly, then faster and faster until he is going through the water 9 a fish.The boys have never seen such a 10 swimming.The paddles do work.All of the boys cheer for Ben, jumping up and down happily.
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