.---Warren Buffett is the second wealthiest man in the world . ---He is, but___ doesn’t follow that he lives the most expensive life. Actually, he still lives in an old house that he bought 30 years ago.
It was believed that things would get worse, but ____ it is they are getting better.
I ____ to go for a walk, but someone called and I couldn’t get away.
—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job? —____ my students have a try?
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
—Look, it ____ again. —Yeah. This is the third snow we ____ this spring.