If he dies without making a will, his closest relative will become the legal in____ of all his money. (请根据字母提示填入正确单词。填写答案时需填写完整单词。)

I don't want to f_________ an excuse for coming late, so I told them the truth. (请根据字母提示填入正确的单词；填写答案时需填入完整的单词。)‏‎‏

中国大学MOOC: We should encourage children to ex___ different kinds of materials and activities that may go beyond traditional behaviors. （请根据字母提示填入正确的单词，填写答案时须填写完整单词。）

中国大学MOOC: He has been ____ by a horrible disease, from which one of his best friends died two weeks ago. (a；请根据首字母提示填写完整单词以完成句子；请填写完整单词。)

Over a third of the population was estimated to have free a_______ to health service. (请根据首字母提示填写正确单词。填写答案时请填写完整单词。)