Dinosaurs existed ______a long time ago.A.in world B.in Earth C .on Earth D.in land选什么?为什么?

Dinosaurs existed in the world millions of years ago.( )( )dinosaurs in the world in ancient times. 用英语解释DInosaurs existed on Earth millions of year ago Dinosaurs existed on eart more than sixty million years before human beings的意思是什么 英语翻译can you tell me how long dinosaurs -------- on the earth before they---------?A had existed ; disappeared B had existed; were disappeared C have existed ; disappeared D have existed ;were disappeared .Dinosaurs (existed) on Earth a long time ago对括号部分进行改写,使基本句意不变. sharks are amazing fish that have been around since long before the dinosaurs existed翻译并分析句子结构 one hundred and forty million years before humans existed,dinosaurs ruled the earth.求翻译以及原文 根据提示改变句型Dinosaurs existed on Earth (more than sixty million yeas ago){就括号部分提问}__________ _________ dinosaurs ___________ on Earth?Some dinosaurs ate (plants)and others ate (meat){就括号部分提问}__________ ________ Dinosaurs existed ______a long time ago.A.in world B.in Earth C .on Earth D.in land选什么?为什么? 英语翻译DINOSAURSDinosaurs existed on Earsth more than sixty million years before human beings.They lived everywhere.Some dinosaurs were as small as chickens.Other were as big as ten elephants.Some dinosaurs were gentle and ate plants.Othere were 初中水平,用英语翻译下列句子1.Dinosaurs existed on Earth more than sixty million years before human beings.2.Some dinosaurs were as small as chickens.3.Some dinosaurs had wings and could fly as quickly as birds today.4.Walt Disney is famo 1、 Dinosaurs existed on Earth more than sixty million years ago.（就划线部分提问）2、 Some dinosaurs ate plants and others ate meat.（就划线部分提问）3、 Some dinosaurs were harmless and others were harmful.（就划线部分提 英语翻译1.Dinosaurs existed on Earth more than sixty million years before human beings.2.Some dinosaurs were as small as chickens.3.Some dinosaurs had wings and could fly as quickly as birds today.4.Walt Disney is famous for his cartoon character Explain the sentences:1.Dinosaurs existed on Earth much earlier than human beings.2.Walt Disney was famous for creating many cartoon characters.3.Smoking is harmful to your health.4.Some dinosaurs could fly as quickly as birds.5.The way to be happy i dinosaurs 快 Dinosaurs是什么意思? no one has __ a convincing explanation of why dinosaurs died out .A put up with B caught up withC kept up with D come up with 英语翻译课文：今天作业是到See Earth Histroychapert 3look it up!dinosaursdinosaurs existed on earth more than sicty million years before human beings.they lived everywhere.some dinosaurs were as small as chickens.others were as big as ten