A few weeks later the first buildings ______ had been damaged were repaired .
His way of teaching English was _________ make his classes lively and interesting.
—Time flies! The wonderful party is over. We'll have to part.—No need to feel blue. _________
Kate had paid him in advance, which _________ was a mistake.
—Is this the painting _________ you offered $ 1,000 for on the Internet?—Yes, I will give you 15% discount if you like it.
Lei Lei was only too ready to help others, seldom, _______, refusing them when they turned to him.