He began to ______because every means ______ tried already.
—Whenever you want a good meal , come to my restaurant and eat for free.—Believe me , that is an ____ I will not refuse.
It was early morning in London _____ Prime Minister Cameron arrived to give his speech.
Since the recent river pollution in Shanxi Province , people ____ more and more attention to the water quality.
When I graduated from high school , my family had a business ____ I never thought about getting a college education.
—I have ____ splitting headache, too.—Yeah, you’re definitely coming down with _____ flu.