A frog is b___1___ in a small river.When he is y___2___,the river is his home.He doesn’t know his p___3___,but he has hu

A frog is b___1___ in a small river.When he is y___2___,the river is his home.He doesn’t know his p___3___,but he has hundreds of brothers and s___4___.He swims about and plays all day with them.At that t___5___,he doesn’t look like his parents.He has n___6___ legs but he has a long tail.So he looks like a f___7___.Then his tail gets shorter and shorter.And he has four l___8___ and a very short t___9___.He looks like his parents now.then he’s going to e___10___ a lot of insects(昆虫) –a lot of bad insects.
1.b______ 2.y______ 3.p______ 4.s______ 5.t______
6.n______ 7.f______ 8.l______ 9.t______ 10.e______