Is it on the 快

Is it on the 快 Is it on the desk?答语是什么?快 Where is the beijing?It is on it is the easiest colour on the It is on the chair 对on the chair提问 Is it on the bed?怎么回答 用the,on,it is,right造句 It is on the left什么意思? It,is,on,the,sofa.变复数 it is dangerous on the road it is based on the ___2012 is it on the desk改成陈述句 it is green e______ on the hills Where is the bird?It is on the tree.Is it singing?No,it is ____dancing. Is the backpack on the floor No,it is 改错 the sun is shining on it为什么用on it is on the bed 变成过去时 怎么变?it is on the bed now Where is it?It´s on the