英语选择题，急急急！！！

你好，正确答案如下：Mr. Li is ______. （正确答案 B） A. a friend of my father B. a friend of my father's C. my father’s a friend D. my father a friend考点： 名词所有格。a friend of my father's = a friend ofmy father's friends（我爸爸的一个朋友之一）They decided to try ______ best to raise more money for the blind children.（正确答案 D） A. our B. theirs C. ours D. their考点： 形容词性物主代词。they 是主格，它的形容词性物主代词形式是 theirThe temperature stayed low last winter so that several old people died ______ cold.（正确答案 B） A. in B. of C. with D. for考点： 动词短语 die of 表示“死于 ......”的意思，暗含“死于内因”的含意；而 die from 则强调死于外因。