There is an urgent need qualified teachers in poor areas; in other words，poor areas are in great need qualified teachers.
A. of；of
B. for；of
C. for；for
D. of；for
网友回答
A. of；of
(答案→)B. for；of
C. for；for
D. of；for
解析： a need for sb./sth. 有……的需要(需求)；in need of需要；迫切要求。