David is clever and quick at work, he is honoured with the title of model worker.
_______foreign trade recovering, the recent labor shortage in the southeast of China hasbecome a hot topic.
They do have a different to the problem of overpopulation.
If you want to book tickets for the 2012 Olympic Games, just call 00952012. It _______ be simpler.
More and more people will fall in panic, as the expert predicts, if not _______ properly.
The toughest thing about success is _______ you have to keep on being a success.