Problem: Acne was much worse on the face of Samuel than Jason because 

My choice: Samuel never washed his face.


Problem: Dennis was teaching Derrick how to kick when swimming since 

My choice: Dennis had been swimming for several years now.


Problem: Rachel wanted to have a barbecue and asked Christine to borrow their grill because 

My choice: Christine had a large one.


Problem: Doctors usually prefer to give patients vaccines instead of medications because the 

My choice:
medications are less certain.