My mother is not in very good shape, and has ____ tennis to get fit.
Once you have become __________ to cigarette smoking or alcohol, it is hard to __________ it even though you try hard.
His collection of ancient pots, old uniforms of the kings and splendid wedding dresses of royal family __________ a large fortune.
Nuclear energy __________ be really dangerous at times even though it's a nice energy in general.
_________ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
"Once people think you are a liar, it's hard __________, no matter what you'll say, " father warned his son.