【简答题】II.完形填空(30分) John lived all alone because his wife had died. He had worked hard as a tailor all his life, but misfortune had left him penniless. He had 16 sons, but they only had time to 17 and eat di...
【单选题】During a period of protracted illness, the sick can become infirm, ______ both the strength to work and many of the specific skills they once possessed.