____ matters most in learning English is enough practice.
The art centre is _____ used to be a factory, _____ millions of tractors were made.
China won 100 medals in the Beijing Olympic Games, which are almost ________ those of the Sydney Olympic Games.
Not only interested in football but beginning to show an interest in it.
This factory produces a million pairs of shoes every year, 80% are sold, abroad.
The time he has devoted in the past years ______ the disabled is now considered ______ of great value.