What else do you know about the Earth Discussthis in groups.英语作文马上 明天就要交了
问题描述：
What else do you know about the Earth Discussthis in groups.英语作文马上 明天就要交了
答
Our planet is a blue planet 我们的地球是个蓝色的星球A solar system,Earth is the only planet known to have life 地球是太阳系里唯一一颗已知有生物的星球The earth is only one,we have to take care of her a...