1. The officials soon realized that, __________, things would get worse.
A. unless dealt with it properly            B. if not properly dealing with it
C. unless properly dealt with               D. if dealt not properly with
2. what if we meet with a situation ___________ none of us are able to deal with?
A. where      B. in which       C. what      D. that
3. The process of curing a disease is like a war _________ different soldiers fight against an enemy.
A. where      B. when         C. as        D. while