I believe that you should definitely set your own example by not laughing or deriding that other student. If they do something wrong, you shouldn't laugh at them or mock them, but rather try to help them. What you can do as well is ask that other student nicely to stop deriding other students because of a mistake they may have made.
Answer:
I am not completely sure what you are asking. But here is my best shot.
During - time, it tells what is happening while
the - is a preposition
epidemic - what is happening (relates to the first question)
early - when it is happening
warnings - the noun/subject
widely - where it is going
This is a standard form of speech.
Initiate would be correct i belive
Answer:
C
Explanation: I took the test
The denotation of a word is the definition that you would find in a dictionary. So, the denotation for voracious is: Consuming or eager to consume great amounts of food. -www.thefreedictionary.com-