My grandfather is seventy years old,but he has good_____(the power of seeing)根据句意及括号内所给英语解释,用单词的适当形式填空,使句意完整、正确.

问题描述:

My grandfather is seventy years old,but he has good_____(the power of seeing)
根据句意及括号内所给英语解释,用单词的适当形式填空,使句意完整、正确.

sight

eyesight