the help you offer will make _possible for the poor boy to realize his dream.it\that\which\what

the help you offer will make _possible for the poor boy to realize his dream.it\that\which\what
the help you offer will make _possible for the poor boy to realize his dream.it\that\which\what

the help you offer will make _possible for the poor boy to realize his dream.it\that\which\what
it 作为形式主语 possible for后面的才是主语 由于主语部分比较长 所以用it 形式代替 以免句子失重

Zhongguancun made it possible for him to follow his dreams and help the中关村或许能让他实现梦想和帮助他爱的祖国 中关村将追逐梦想，帮助他