This river forms a natural _______ between China and Korea.
A
暂无解析
Muchofthenewsprovidedbythisnewspaperis_______,notforeign.
It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.
The _______ work continued for more than a week but there was still no sign of the missing boy.
We do not have a _______ school in our institute. The highest degree we provide for the students is a B. A. and a B.S. .
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.