Question

【题目】Chen Jingrun who is a famous mathematician(数学家) (死于)cancer in his forties.

Answer 1

【答案】died of
【解析】句意：著名数学家陈景润40多岁的时候死于癌症。短语：die of死于。由句中的in his forties可知用一般过去时，所以答案是died of。