Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2010,____ are popular with teenagers.
Do not let any failures discourage you, for you can never tell ________ close you may be to victory.
Microblog is a platform ________ people can express their thoughts and communicate with each other by sending posts.
It was not until 1938 _________ the first colour TV programme was broadcast.
Mr. John was so humorous that we had a good laugh ______ the meal.
I don’t think it easy, even if we work hard, ______ the South Korea and the North Korea to sit down to talk at present.