I don't know which sweater to choose.动名词

I don't know which sweater to choose.动名词 I don't know which sweater _____(choose) I don't know which sweater to choose.改为同义句 I really don't know which one to choose i don't know which one to choose i don"t konw which sweater _____(choose) i don't know which one to choose.请造几个类似which ...to 的句子 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.（同义句转换） I really do I really don't know which pair to choose同义句 know,I,don't,to,which,choose,really(连词成句） 英语:I don't know which doll to choose.____of them are beautif