We know about the lives of dinosaurs from the skeletons,eggs

we can learn about the lives of dinosaurs from fossils of th BALLAD OF THE SKELETONS怎么样 We now know the first dinosaurs ___ [apper]about 230 million 关于一些语法问题1.we know that the first dinosaurs appeared about 12 People can learn about the ( ) of dinosaurs from fossils A.l 英语The eggs () by dinosaurs() Liaoning Province look! the dinosaurs' eggs. --so big! do you know when they _ One of the smallest dinosaurs-------(be)about one metre long the end of the dinosaurs However,people can learn about the lives of dinosaur from fo 英语句子解释.Though we may enjoy reading about the lives of others 单项选择.We all know that the dinosaurs were all _____.