Answer:
similie: Her smile was like sunshine peeking through the clouds.
metaphor: I didn't realize what a pain in the neck she could be.
personification: The book grabbed me and I was forced to finish that night.
onomatopoeia: The car banged into the wall with a "CLASH", causing a ring into everyones ear drums.
Explanation:
Active voice come to instgram to help you
I think the single sentence that shows it is a personal letter is "that all I can say is that I am well" as the rest of the letter is details about his military campaign so could be part of a more formal memo if it were not for this opening sentence so that seems to be how to identify it as such.