Answer:
You have to wear coronavirus mask .
Explanation:
students'
This is because in, "We were impressed by several students' drawings," many students are owning many drawings.
student's will not work because this sentence does not say that only one student owns this one drawing.
students will not work because this is not possessive.
Answer:
What are the health benefits of volunteering?
Explanation:
Historical article is the answer
Answer:
Your best friend.
Explanation:
The general rule of thumb with informality is that you use it with people you know well. You probably don't know your boss's boss, and even then, respect is still expected, or your congressional representative, and it's even in the description with your older relative.
Most people would agree that you probably know your best friend pretty well, so they will be the best audience for an informal style.