After a verb i guess, but im pretty sure this is a trick question
The right answer for the question that is being asked and shown above is that: "D.Before visiting Italy, I read the book "The Italians" by Luigi Barzini." the sentence that uses italics correctly is that D.Before visiting Italy, I read the book "The Italians" by Luigi Barzini.
Answer:
It is a preposition because it cannot be either of the remaining three
Answer:
Be careful and limit your time
Explanation:
There are so many scary people on social media, so be careful. And, don't make it your life. There is so much more to life than social media and it is a good idea to limit your usage.
Answer: By the time they came, we had finished our dinner.
Came is past tense, so I would assume it would be had finished