The first birds evolved from dinosaurs during the Jurassic period.
Over time, some of these birds lost their teeth and used just their beaks.
Then sixty-six million years ago, an asteroid hit Earth.
While other dinosaurs needed to eat meat or plants, beaked birds could live on just seeds.
Grade: A+
Tips)
- 문장을 잘 이해하고 중요한 내용을 정확하게 썼어요.
- "beaked birds"처럼 형용사와 명사를 함께 쓰는 표현을 기억해 보세요.
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