Answer:
when the Republican sniper tricks the enemy sniper across the street into revealing himself
Maybe start with them hanging out like usual. Maybe at a diner or a little cafe and decide that they’re going to do something They could be playing video games or board games at ones house and decide to go explore or something.
1. A predicative nominative is a noun or a pronoun which follows a linking verb and refers to something before that verb. In your case, the correct answer is B, because "a shelter" goes after the linking verb "is", and refers to "a lean-to".
2. A participle has the form of infinitive + ing. In this case, the answer is D, flourishing.
