Nice sentence! I need 20 characters or more so yay me I guess.
We quickly settled <u>down</u> to our routine once we came back from the vacation
<u>Explanation:</u>
A preposition is a word used to connect things, pronouns, or expressions to different words inside a sentence. They act to associate the individuals, articles, time and areas of a sentence. Relational words are generally short words, and they are regularly set straightforwardly before things.
A preposition is a word or set of words that shows area (in, close, next to, on) or some other connection between a thing or pronoun and different pieces of the sentence (about, after, furthermore, rather than, as per).
"Especially not" is a fragment.
Answer:
A. is spelled incorrectly
Explanation:
"Please be very careful not to loose the present for your piano teacher" should be changed to "Please be very careful not to loose the present for your piano teacher"
Good luck!