他写了一本温斯顿·丘吉尔的传记。
He wrote a ___biography of Winston Churchill.
我找到了奥威尔的传记,所以买了它。
I found Orwell's ___biography so I bought it.
她正在读一本玛丽·居里的传记。
She is reading a ___biography of Marie Curie.