which one to chooseto choose 充当什么成分

which one to which to buy为什么是which one to buy? Which one! Which one! which one you want to choose? I decide which one to buy.为什么要用which one to buy?而不用which to buy?谢谢.I decide which one to buy. 为什么要用which one to buy? 而不用which to buy?谢谢. I can't decide____ A.to buy which one B.which one to buy C.to buy which D.which to buy one为什么这么选? which one do you want to buy 同义句which one _______ you _______ to buy i really can't decide which one to choose为什么的which one to choose which one to buy和to buy which one.有什么区别 There are many presents.I really don't know _____.A)choose which one B)which one to choose C)choosing which one D)which one choose which one? I can't decide __.A.to buy which one B,which one should I buy C.which to buy to success & to the successwhich one is right why? Which one to choose?为什么要用to? 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 can not decide（ ） A.which one to choose B.to choose which one C.choose which D.which one choose she could not decide_____________ A.she chose which one B.to choose which oneC.that which one she chose D.which one to choose答案是D为什么 Which one do you want to buy,的同义句 Which one ______ you______to buy,