A butterfly is an interesting 1.. Do you know how it 2.? A butterfly lays an 3. on a leaf. It is 4. and 5.. It was a white egg. Now it is a green 6.. It has many legs. It likes eating 7.. It grows and grows. It was a green caterpillar. Now it is a brown 8.. The caterpillar stays in his house comfortably. It was a brown cocoon. Now it is a beautiful blue 9.. The butterfly leaves his house and 10. in the sky happily.
Little Justin is 1. in a river in spring. He is 2. and 3.. He can’t find his mother. On his way to find Mum, he changes a lot. A few days later, he has a 4.. Then, he has four 5.. Finally, he has 6. tail. His 7. are big. His 8. is big. He can catch 9..
Jack: Mum, is this a fish? 1. Mum: No, it isn't. Look carefully. 2. Jack: Really? I see. 3. Mum: That's right. The tadpole was small and black when it was born. Jack: 4. It's so interesting. Mum: Finally, it will be a green frog. It has a big mouth. 5.