Xiao Ming practises his spoken English once there is a chance and that is_________ it takes to live his dream to be a good guide.
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.
Obviously, __________ no one wants to be alone all the time, everyone needs some degree of privacy.