Well you have to show sentence nine
Painful memories
hope this helps you.If not my bad.
Answer:
An antibiotic
Explanation:
As shown in the passage, it states that azithromycin is a drug. An antibiotic is a type of drug so the answer is an antibiotic. The passage didn't state that azithromycin is a disease or a lab procedure or a blood infection, but a drug.
The verb phrase is "been washed"