He works in our university as a visiting _______, not as a formal faculty member.
A、traditionalB
暂无解析
I have not heard anything from him since his _______.
Pine trees are usually believed to _______ cold weather.
Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.
Withthehelpofthegovernment,alargenumberofpeople---_______afterthefloodin1991.