Not until he had left his friend _______ how important friendship was for him.
— Why on earth didn’t you answer the door? — I’m terribly sorry, but the telephone _______, too.
At present, many people from countryside went to the cities ____better job.
Japan's first lady said Wednesday she would not marry Premier Naoto Kan again in ______ life.
Now an increasing number of middle school students go abroad for further study at their own ________, trying hard to realize their dreams.
Jamaican Usain Bolt was reported ______the world record of 100m in 9.69 seconds, thus winning his first gold medal.