Freemedicalserviceis_______tonearlyallthecollegestudentsinChina.
A、favoriteIn the United States, the foreign policy is decided by the ________ government, not by each state.
This river is so big that it is impossible to build a _______under it without modern technology.
The doctors _______ the medicines to the people in the flood area.
Both sugar and salt can ______in water.
It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.
