I.) has been snowing.
iii.) have not started
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.
[1] Studies have shown that kids who eat healthy food have more energy. [2] When students are more energized, they get better grades. [3] Still, half theLincoln High students eat pizza at its lunchtime. [4] The school plans to start offering healthier options like salads and fruit as an alternative.
The correct answer is "Studies have shown that kids who eat healthy food have more energy" The answer is number 1
The alliteration creates a fast pace like the horses' hooves.