A good teacher must be()too strict()too weak.

A good teacher must be()too strict()too weak.
A、either: or
B、neither: nor
C、not only; but also
D、both;and
【正确答案】:B
【题目解析】:【应试指导】本题考查并列连词辨析。句意:一位优秀的教师既不能太严厉,也不能太软弱。either…or…要么……,要么……;neither…nor…既不…,也不…; not only… but also…不仅…而且……;bouh。and…。两者都。根据句意,本题选B。