my brother is a (direct) of a big company.I'm proud of him.
问题描述:
my brother is a (direct) of a big company.I'm proud of him.
答
很明显:
1.a 是冠词,后面跟名词
2.of是介词,前面需要一个跟 a big company 有从属关系的名词
3.my brother是一个人,这里需要填的无疑是跟人有关系的词语
director