Question

9. Up to now,more than one person in this hospital        this rare disease.

(infect)

迄今为止,这间医院不止一个人被感染了这种罕见的病。

Answer 1

9. has been infected with infect with为固定搭配，意为"感染，传染"。句中时间状语up to now 要求谓语动词用现在完成时。"more than one +名词"要求谓语用单数。