问题
选择题
It'll be ten years ___ we have the chance of seeing each other.
A．that
B．before
C．after
D．since
答案
答案：B
本句意是: 要等10年我们才有互相见面的机会. 句中的before是:….才(用于强调主句所表达的时间很长时.)又如: It will be five years before we meet again.