As we know, Potala Palace(布达拉宫),a combination of Tyibetan constriction art and culture, is considered precious treasure of China.
There used to be a temple in your village,________?
The new bridge is ________ the one built last year.
________knowledge a man has,________it is for him to get a good job.
Many chemical substances react________oxygen.
The population of China ________ 1.3 billion,and 80% of the population________farmers.