Why dinosaurs died out remains a puzzle.remain不是不及物动词吗?为什么后面跟名词?

Why dinosaurs died out remains a puzzle.remain不是不及物动词吗?为什么后面跟名词? No one can give us an exact ___ of why dinosaurs all died suddenly.(explain) dinosaurs died out years ago 同义句 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 Why Bruce Lee died young? 对加引号部分提问：The last dinosaurs died more than 60 million years ago 英语翻译Dinosaurs lived on the Earth a long,long time ago.Some walk on the land,some flew in the air and some swam in lakes.Some ate meat and some ate plants.Then they all died.Why?Scientists have a lot of ideas.Here are two of them.Maybe the Ear 1. Where did dinosaurs live? 2. When did dinosaurs live on the Earth? 3. What did dinosaurs eat? 4.1. Where did dinosaurs live?2. When did dinosaurs live on the Earth?3. What did dinosaurs eat?4. Why was there no food or water for dinosaurs?5. Can yo Dinosaurs died out on the earth等于什么用英语解释,died out 划线.我写didn’t alive 完整的句子， Dinosaurs have completely died out on the earth,never____again.A.to be seen B.being seen为什么不选B, was,no,or,for,why,there,food,water,dinosaurs连词成句 Dinosaurs hace completely died out on the earth,never____again. A.to be seen B.being seen答案是A,为什么不选B,请解释一下 说出为什么4.______ dinosaurs became smaller and smaller.Most of them had died.A.A number of B.ManyC.The number of D.The amount of 对more than 6 million years 如何提问句子：The last dinosaurs died (more than 6 million years ago).(对括号内部分提问）, dinosaurs 快 Dinosaurs是什么意思? 英语关于时态的选择题Dinosaurs are though to_____millions of years ago.A die outB have died outC having died outD dying out选择什么好呢?我选择了A does anybody know why dinosaurs disappeared?中anybody可换为nobady吗请快一些，请说明理由