.--What are your parents?--My father is a teacher, and my mother is _________.
As a new diplomat, he often thinks of _________ he can react more appropriately on such occasions.
Among the winners _________ father is seriously ill in hospital.
The _______ income of the common people has been greatly increased in the past thirty years ______ the reform and opening-up policy in China.
By no means __________ to her parents.
____ the rising birth rate and immigration, the declining death rate also ____ the population growth.