We thought of selling this old furniture, but we’ve decided to ______ it. It might be valuable.
—Excuse me, what can I do for you?—Yes. I'd like to place ____ advertisement for _____ used car in your paper.
—Let's have a game of tennis; the loser has to treat the other to a hot dog.— .
His uncle went abroad in 2010, and _______since.
Only by seizing every possible_____ to practice can you possibly hope to improve your spoken English.
—Why do many people keep dogs as pets?—Because they are our ____ friends and they never desert their masters.