—Our holiday cost a lot of money.
—Did it? Well, that doesn’t matter you enjoyed yourselves.
A. unless
B. in case
C. as far as
D. as long as
网友回答
A. unless
B. in case
C. as far as
(答案→)D. as long as
解析：第二个人说的话中含有一个由as long as 引导的条件状语从句，句意为“度假花了不少钱。”“是吗？那也没什么，只要你们玩得高兴就行。”又如：“Our profits will be good so long as the dollar remains strong.”。句中动词cost的三种形式相同，that替代上句中的cost a lot of money是一种句子性替代。