Dear Mr/Mrs _____,
I am writing to you about my concern for the noise that is being made in the school, and how it is disrupting me and others’ ability to work.
It would be sincerely appreciated if you could take this issue into regards, and talk to the people concerning the disruption.
Sincerely, _____,
Year ___.
A, his first step on the moon's surface
Answer:
C) after
Explanation:
Prepositions are placement terms that can be applied to both time and space. In this case, it's being applied to time, because it's occurring 'after' something