Our enemy bills have been increasing steadily. these costs,our telephone costs have doubled over the past six months.
There are many other examples _______ the development of Chinese writing.
Listen! His family must be quarrelling, _______?
More than one _______ the people heart and soul.
This problem may lead to more serious ones if _______ unsolved.
The Chinese language _______ many Western languages _______ it uses characters which have meanings and can stand alone as words.