I don't know which sweater to choose.改为同义句

I don't know which sweater to choose.改为同义句 I don't know which sweater to choose.动名词 I really don't know which pair to choose.（同义句转换） I really do I don't know which sweater _____(choose) I really don't know which pair to choose同义句 l didn't know which one I should choose.改为同义句:I didn't know He doesn't know which pencil to choose.(改为同义句） He doesn't kn I really don,t know which one to buy.改为同义句.I really don,t kn I really don't know which one to choose i don't know which one to choose know,I,don't,to,which,choose,really(连词成句） I don not know which one I should choose同义句转换 I don not know