问题
选择题
Can it be ______ in a fast-changing world we don’t know what to teach our children today?
A．which
B．that
C．why
D．since
答案
答案：B
考查主语从句，该句陈述句为it can be that in a fast-changing world we don’t know what to teach our children today。It作形式主语。
句意为在一个快速发展的世界，我们不知道该教我们的孩子什么，这可能吗？