问题
选择题
--With the country’s pension fund gap becoming wider than ever, retirement age should be postponed immediately.
---Easier said than done. we take all factors into account, we shall be faced with some other social problems.
A.Unless
B.Until
C.When
D.Once
答案
答案:A
题目分析:句意:--随着国家养老基金缺口越来越大,退休年龄应该立刻被推迟。--说起来容易做起来难。--如果我们不将所有的因素考虑在内,我们会面临很多其他的社会问题的。用unless引导条件状语从句,“除非,如果不”,until“直到”,when“当…时候”,once“一旦”,根据句意选A。