In this world,the only certian thing is that nothing is certian.求翻译

on the world还是in the world? in the world还是on the world in the world 还是on the world Some of the best?photos in the world n this exhibitionAknoe,on the display Bknowing ,on the displayCknown,on display This is the first electric light in the world on the stamp.什么意思? In this way they learn what is going on in the world这句话如何翻译? in this w___ they learn w___ is going on in the world. in the world 和 on the world 的区别是什么? world前的介词__(at ,in ,on)the world The people who get on in this world are the people who get up and look for circumstances they want Where __did you go A.in world B.in the world C.on world D.on the world 选什么, I want to disappear,vanish on in this world Mount Qomolangma.on land.in the sea.in the world. Mount Qomolangma.on land.in the sea.in the world. This commitment is lost in the world,the only constant. Sorry,In this world, 完形填空The world is full of variety.Trees,grasses and other （2） cover the earth.Above the sun shines on the earth as it turns in the universe.This is the world that we see （4） us every day.This world is also the world of chemistry.In thi The girl is only one in the world,that made her the god of this world.