Which one?The one on the shelf.(改为复数句）

which room is darker the one on the right or the one on the left? which room is darker,the one on the right or the one the left? There are many pens on the desk,which one is Which one?The one on the shelf.(改为复数句） Which one! Which one! which one?the one ___blue t-shirt which roon is darket,the one on the right or the one on the left?如何回答 there are also those who believe that friday the 13th is anunlucky day --one on which many thingscan go wrong .这一句中one on which 这个one指的是什么意思,one on which ON 这里WHICH又是什么意思? Which picture is ,this one or that one?I like the one with a cat on it. 这里的on是什么意思呢：which coat is better on me,the blue one or the black one? there are also those who believe that friday the 13th is anunlucky day --one on which many thingscan go wrong .这一句中one on which 这个one指的是什么意思,one on which many thingks can go wrong on which 、which、the one、 that在定语从句里都有提到,求它们的用法 which one? I don't like the one on the desk .______ one?The one in the box A which B whose C what about D where 请说明理由 my shoes are similar to _____ you had on yesterday 为什么选the ones不选 the one the one which the one that What caused the accident was/were the stones on the road.choose which one and why -Show me the letter please.-Which one?The one ____ pencil?-Show me the letter please.-Which one?The one ____ pencil?A.in B.with C.by D.on ( )Show me the letter,please.Which one?The one___pencil?A.inB.withC.by D.on