The science of medicine, _______ progress has been very rapid lately, is perhaps the most important of all the sciences.
Some people maintain that watching violence on TV is one of the major causes of _____ behavior and crime in society.
It is not possible to ______ with certainty what effect this event will bring about.
This is not an economical way to get more water; ____, it is very expensive.
_____ Barbara Jones offers to her fans is honesty and happiness.
The most delicious cake in the world____ by mom. Please wait an hour to enjoy it.