He works in our university as a visiting _______, not as a formal faculty member.
B
暂无解析
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. .
He tried to _____ __relations with his former wife but he failed.
When a spacecraft travels, one of the major problems is reentry into the Earth ’s _______.
Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
With the help of the government , a large number of people ---_______ after the flood in 1991.