D. Dad
In this sentence, dad is being used as a name or proper noun. It needs to be capitalized.
Answer:
No one else is awake except for me
Explanation:
This sentence is the only one that presents correct grammar usage.
Answer:
If you give money to charity, good things may come in the future.
Explanation:
By definition, a business letter is used by employees and clients of different companies as a form of communication with regards to their agenda. In addition, it mainly comprises of tones having a much formal use of language. Proper formats must be observed in making these kind of letter such as avoid indenting when using a block format.