问题
选择题
It is a teacher's responsibility always to hope, ________ with learning, a boy's character might be changed.
A．when
B．what
C．that
D．which
答案
答案：C
答案：C。句意：老师的职责总是希望一个孩子通过学习可以改变性格。考查名词性从句的引导词。it为形式主语，真正的主语是不定式to hope...，that的引导从句作hope的宾语。