________ the prices and functions of different types of computers before you make up your mind which to buy.
Every means _________, but none proved __________.
The time and effort he has devoted during the past few years________ trees in that remote area is now considered to be of great value.
Sometimes smiles around the world _________ be false, hiding other feelings like anger, fear or worry.
________ life may have in store for you, each of you has a grand, lifelong project, and that is the development of yourself as a human being.
High school is undoubtedly a time of growth, both physically and emotionally, ________ academically and socially.