That is the best book that I ( have read )on that subject.
reason = because that event has already happend in past but its impact is still on present so it is past perfect..........
By because does any of the other answers work it’s just common sense right there
1st 4th and 5th
hope this helped
Answer:
the prudent decision in the situation is that you are most likely to go to the party
Explanation:
even though you shouldn't.