Answer:
The most formal sentence is
A) Volunteering in one's community leads to many benefits.
Answer:
My brother and his friends go out.
Explanation:
That could be just an example of what you could do. It's your decion though.. I think. I'm really sorry if it ends up wrong!!
Answer:
their skills, the better they performed in a competitive environment
Explanation:
Let's hope this helps. -_-
The main thing that this question is asking is which sentence does not have a formal tone. A formal tone for research writing usually means using more professional (instead of casual, everyday) language and free of your own opinions.
This means choice D is inappropriate because it is opinionated. Using "I think" is not formal tone.
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Answer: D) I think one of the most frustrating things about owning a cat is that they don't obey many commands.
