You need to provide more information.
Answer: Anger
Explanation: Because that person is already sad.
Answer:
the answer is c because the protagonist is talking about themselves
Answer:
B. sings.
Explanation:
The choir is singular. The plural of "choir" would be "choirs". So, instead of sing, you put sings.
Hope this helps!
Answer:
Explanation:
Studying animals helps researchers learn why animals do what they do.
The senses of animals are better developed than those of humans.