i don't know choose which one为什么不对?谢谢

I don't know which sweater _____(choose) I don,t know which one _____ （choose) i don't know choose which one为什么不对?谢谢 I really don't know which one to choose I don't know which watch _____(choose). 英语：I don'T know which one_____(choose)I don'T know which one_____(choose)再帮忙说一下为什么. I don't know what to choose for the fashion show为什麽用to choose I don't know which sweater to choose.改为同义句I don't know ( )( )( )( ).是五个空 I really don't know which to choose between the two books./...know to choose which...两句有什么差别吗? I don't konw which one i will choose.I don't know _________one_______choose.改成简单句怎么改啊 Now I have to choose.I don't know what to do There are four answer here.I really don't know ( ) .A.which to choose B.choose which one C.to choose which one D.which one choose I don't know. The clothes are all nice,I don't know what one to choose 哪里错了 i don't know which one/which to choose选哪一个,为什么?再举例几个 I really don't know which pair to choose同义句 i don't know which one to choose.请造几个类似which ...to 的句子 know,I,don't,to,which,choose,really(连词成句）