Most of the educators are ____ providing more freedom to the teenagers, believing that it may make them more creative and independent.
Never form the habit of smoking because it ______ human beings.
—It is rather cold here. Shall we light a fire? —No, we ______because things are easy to catch fire.
It is said that his health ______ by years of hard working.
Does everyone know what to do if a fire ______?
It is obvious _________ he has known the news and he is very satisfied with the result.