英语翻译I really don‘t know which should i choose还是I really don’

英语翻译I really don‘t know which should i choose还是I really don’ I really don't know which one to choose I really don't know which pair to choose.（同义句转换） I really do i really don't know I really don't know which pair to choose同义句 know,I,don't,to,which,choose,really(连词成句） I really don't know which to choose between the two books. I really don't know what I should write to him.I really don' ( )I really don't know what I should _______ab I DON'T REALLY KNOW 还是 I really don't know I really don‘t know which one to buy 是I really don't want you to know.还是 I don't really want you