Answer:
E: all of the above
Explanation:
All the points presented have some advice on how to create a more formal and professional tone in writing communication:
A and B: Mentioning the request in advance , and better explaining the purpose shows respect and consideration.
C and D: informal language and contractions are not fit for fomal and professional writing.
This depends on the sentence given. Prepositions are words that associate an object to a certain location or position. Examples of prepositions are: on, after, below, by, during, and many more. If you want to use the word 'opportunities' as the object of your preposition, an example would be as follows:
Mary is hopefully praying for good luck as she takes on opportunities. The preposition is 'on' and the object of preposition is 'opportunities'.
A. past participal is ur answer