请问“在世界上活着”用live on the world 还是 in the world?

请问“在世界上活着”用live on the world 还是 in the world? 请问为什么用live on campus呢?用live in可以吗? 英语翻译we can't live on air. 请问高人live life on the All the living things on Earth can't live without sunlight or water.用if改写 live on Green Road为什么用on live in/on?There will not be enough space to ______ the earth in the future if we don't control the growth of the population.A.live on B.live inC.live on in D.live in onlive后面到底该用in还是on?还是两个一起用? live in/on?There will not be enough space to ______ the earth in the future if we don't control the growth of the population.A.live on B.live inC.live on in D.live in onlive后面到底该用in还是on?还是两个一起用?我个人觉得选D,因为 We can't live on the earth _______ animals l ctudn't live on without you 中文什么意识 这个对话中 live on 为什么要用live on 不用 live in? i don't live your life请问i don't live your 在世界上用英语怎么说 aren't和don't请问aren't后面加什么,don't的后面有应该加什么?这题怎么做?My uncle and aunt____(not live)on the first floor. “在世界上”用英文翻译是in the world还是on the world? which floor do you_____?A.live B.live in C.live on 选C,请问为什么不选A, 请问live live in & live on 区别