Problem: How does the sentence end?

Nick helped Robert to develop defined abs, by following 
Answer: Nick 's workout routine he had designed for them.

Problem: How does the sentence end?

Benjamin knelt over and worked to remove the weeds assembled around the plants in the garden while Kevin watched and sighed, because 
Answer: Kevin was an impatient kid.

Problem: How does the sentence end?

While Patricia never went to the school dance, Monica always did because 
Answer: Monica was very popular.

Problem: How does the sentence end?

Paint at the hardware store was purchased by Nelson from Randy because 
Answer:
Nelson is remodeling.