阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Last December, Doris Low turned 90. Once a week she still drives to the Canadian National Institute for the Blind (CNIB) in Toronto, ____61____ she helps transform literature into Braille(盲文)____62____ (bring) the power of story and knowledge to the hearts and minds of blind readers. She____63____(volunteer) her time and talents to such work for more than 40 years.
The job was very tough, but she never got ____64____ (feed) up with it. For a number of years, Doris also worked in the CNIB sound studio, ____65____ (read) books onto tape. Three years ago, she took up proofreading (校对) at the CNIB's word factory.
In April, the CNIB recognized Doris for her great contributions. Thanks to volunteers ____66____ her, the CNIB library has got more than 80,000 accessible materials for people unable to read ____67____ (tradition) print. Countless readers have benefited from Doris's contribution through her rich voice and high degree of ____68____ (accurate) over the years - and she is still doing so!
"For me," said Low, "the CNIB is more than just a place to volunteer. Three things matter ____69____ (many) in my life: a little play, a little work, a little love. I've found ____70____ of them here. "