题目内容：

牛津英语5B 39页
it is an egg.
it was a black egg.Now it is a brown tadpole.
it was a brown tadpole .now it is a green frog.
仿照上述写一组动物成长变化的句子（3句,不能写人,蝴蝶,鸡和鸭）

优质解答

it is an egg.
it was a green larva,now it is a white chrysalis.
it was a white chrysalis,now it is a colorful butterfly.