Question: The COVID-19 pandemic has left many people with serious medical conditions, _______ heart failure and long-term lung damage...
Correct Answer: such as
"Such as" is used to introduce specific examples (heart failure, lung damage) of a broader category (serious medical conditions).
Incorrect Answers:
- for example - "For example" usually starts a new clause or sentence, not inserted directly in the middle of a sentence.
- for instance - "for instance" should start a separate clause or sentence.
- extremely - An adverb describing degree, not used to introduce examples.