Answer:
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
I begin your sentences.
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
What jumps when it walks, but sits when it stands?
I am a time for gathering crops. Remove the first three letters and I become an object you can wear.
Lynn likes grapes but not potatoes. She likes squash but not lettuce, and she likes peas but not onions. Following the same rule, will she like pumpkins or apples?