The process of curing a disease is like a war ___ different soldiers fight against an enemy.

Most Americans would prefer to keep their problems _____ themselves and solve their problems _____ themselves[ ]

We need to spend more time researchingthese suggestions so that we can make a(n) choice.

Not only you and I but Peter, the top student in our grade, ________ not able to solve the problem[ ]

__________ do you play football—- Once a week.