问题补充:
you are aware of the trick used in advertisements ,I don’t think you are eager to buy.
A. Whether
B. Until
C. Though
D. Once
答案:
A. Whether
B. Until
C. Though
(答案→)D. Once
解析:考查状语从句连词的选择。Whether 是否, until 直到, though 尽管 once一旦 ,
句意为一旦你意识到了广告中使用的伎俩,我认为你就不会急切地区买东西了。