In our classroom you can see there is a 1 of a park on the back wall．You can also see many children 2 the park．There is a river in it．Near the river there are not 3 , but there are many trees．Many 4 are singing in them．Near the trees there are some old men．They are sitting at a table．They are 5 tea and talking．There are two girls over there．They 6 new skirts．They are talking near the river．We can also see 7 boats in the picture．One is empty(空的)but in 8 boat there are many children．Are there any young men in the 9 ? Let me see．There are some．They are swimming now．What are the boys doing? They are 10 there．
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．