Story needs to be completed:
To prepare for the event required no skill but plenty of endurance, as the

My choice:
skill was useless for the marathon.

Story needs to be completed:
It was easy for Christopher to forgive and forget, but not Neil, as

My choice:
Christopher believed people should have a second chance.

Story needs to be completed:
What you drink affects your health; for example, drinking a soda is worse for you than a bottle of water because the

My choice:
soda is unnatural.

Story needs to be completed:
The service was better at the shop near my house than the treatment near my friends house because the

My choice:
treatment was horrible.