并列题名：Frog is frog 并列题名：Frog is sad 并列题名：Frog is a hero 并列题名：Book of frogs 并列题名：Frog is frightened Frog is frog 并列题名：Hoppity frog 并列题名：Eruta the frog Frog is Frog 并列题名：I'm a frog!