"on and in" what different?on and in的词组和个有什么用!

I heard Mr.White was badly injured in the traffic accident,------__________,let's go and see him ,A what more B For what C when neccessary Dif so 选第四个吗,我猜的,为什么, on and in what different?on and in的词组和个有什么用! What go on four legs in moring ,on two at noon ,and on therr evening What goes on four legs in the morning,on two at noon,and on three in the evening? What goes on four legs in the morning,on two at noon,and on three in the evening?是什么? What goes on four legs in the morning,on two at noon,and on three in the evening? What goes on four legs in the morning,on two at noon,and on three in the evening 英语翻译1.After ( ) seemed ages,the newsman disclosed the facts.A there B which C what D that2.A modern city has been set up in ( ) was a wasteland ten years ago.A what B which C that D where3.After ten years,the city changed a lot and looked dif in,on,and, LOOk yourself in the mirror and find what there is on your face.何译? What is it you sit on,sleep in,and brush your teeth with? what's the difference between 'on one's mind' and 'in one's mind'? 英语翻译On what raw material and in what quantity debugging of the equipment at us will be made? What do you think and what you do should be---harmony --our society.填in,on,with, 英语作文：If it is the end of the world,what will you dIf it is the end of the world what will you do on your last day? it is cold and rainy in vovember and decenber.i am on my friend's head.what am i What walks on four legs in the morning,two legs during the day,and three llegs in the evening? What walks on four legs in the morning,two lges during the day,and tnree legs in the evening?谜语