—Our holiday in Beijing cost a lot of money.
—Did it? Well, that doesn’t matter you enjoyed yourselves
A. if
B. unless
C. while
D. or
网友回答
(答案→)A. if
B. unless
C. while
D. or
解析：考查连词。if如果，unless除非，while当…的时候，or或者，否则，句意：在北京我们的假期花了好多钱。是吗？如果你们玩得高兴那就没关系。根据语境可知此题是if引导的条件状语从句，故选A