I can't choose which book to buy.为什么用to buy?是动词不定式作定语修饰book吗?

i really can't decide which one to choose为什么的which one to choose I can't decide 是which one to choose 还是to choose which I can't decide______A to choose which presentB which present to choose 选哪个?为什么? I can't choose which pair of jeans to buy I can't decide which one _______(choose) i can't _____ (decision) which one to choose. I can't choose which book to buy.(改为同意句） I can't choose which book ___ ___buy. i can't decided____ A.which present to choose B.to choose which present C.choose which presentD.to which present choose I can’t decide which dictionary I'll choose改为同义句 I can’t decide which dictionary ----- ----- i can't decide which flat i shall choose 保持原意i can't decide which flat ------- ------- 谁能帮我用英语翻译一下I can't decide which one to choose中的which one to choose i can't decide which one to choose是否等同i can't decide to choose which one这两种说法都对吗？ -Which hair band do you like best,madam?-I can't decide now.I really don't know ( ).A、to choose which oneB、choose which oneC、which one to chooseD、which one I should choose it 七上英语问题I can't decide which Ishould chooxe=Ican't deeide ( )( ) choose I can't choose which pair of jeans I will buy.（变成简单句） I can't decide which book I should choose 同义句 组合成宾语从句I can't decide, which pair of trousers should I choose there are so many shirts.i really can't decide A which onw i will choose B which one choose Cchoose which one D which one to chooseA是which one will i choose