Technological advances in communication – such as computers and texting - have caused the teaching of cursive writing in school to become so exceptional that, if the trend continues, original source texts, minutes from historic meetings, diaries, and even letters from ancestors will become _____ to future generations. 
Choices: unintelligible , intellectual, meaningless, humdrum, quotidian, indecipherable
Answers: unintelligible , indecipherable