_ _ busy schoolwork, the children also have to take arts, music and sports classes in their free time.
_______foreign trade recovering, the recent labor shortage in the southeast of China has become 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.