Not until the press reported the pollution _________ why the water supply had been cut off.
If you intend to arouse students’ interest in your project, you’d better ______ your teaching methods more wisely.
He wasn’t looking forward to the time ______ he had to give evidence to the court.
I have never fallen for this kind of trick. Even though you didn’t lie, it didn’t mean you were ______.
Though we met only once at my uncle’s birthday party, he persuaded ______ all my savings.
______ advertisement uses ______ words and pictures the advertisers think of to convince people to buy ______ product or________ service, or to believe in an idea.