This process has not only laid a solid foundation for China to develop into the future, but also _________ the prosperity(繁荣) of Asian economy and the world economy.
China has been pushing the reform of public hospitals _______ all its citizens.
In many people’s opinion, that company, though relatively small, is pleasant _______.
Let’s not wait any longer, he might not _______ at all.
Special attention should be paid _______ our earth from _______.
The roof fell _______ he had time to dash into the room to save his baby.