Researchers have found clear and convincing evidence ________ happiness isthe key to better health and longer lives.
—Hey,can I ask you a favor?—Sure,________
—How far can you run without stopping?—________.I’ve never tried.
—Would you like a glass of wine?—________.I don’t drink.
—Mary’s been offered a job in a university,but she doesn’t want to take it.—________? It’s a very good chance.
—I’m sorry I made a mistake!—________.Nobody is perfect.