Answer:
The correct answer is letter "A", "B", and "E": Separately; Have received; At your request.
Explanation:
In Business writing, messages must be objective and straight-to-the-point. Managers must understand the information they are sent at first read since they usually do not have much time for clarifications or in the case they do it could delay the operations of the company unnecessarily. To avoid that situation to arise, the business message must not be wordy, redundant, exuberant or flabby.
Examples of fresh, vigorous, and clear phrases are "At your request", "Enclosed is", "As you wish", "Have received", "Please", "Thank you", and "Separately".
