I really need help marking Brainliest if its right please explain your answer Make sure its correct:D I dont Understand it:C

Answer:
The answer is A
Explanation:
Since it is only one of the friends we make it is going plural noun
I'm not sure how to explain it
Answer:
A change are going to is going
Explanation:
If you change one of my best friends to he or she the word "are" would not fit. The only instance when you can use are is when you are referring to a they and since it's only one friend it doesn't work. Hope this helps!