单选题 ______ year my travel agent promises me that my holiday will be ______ best I have ever had, but none of these promises has ever come true.
A. Every; the B. Each; a C. Last; the D. Once a; a

【正确答案】 A
【答案解析】[考点] 形容词词义辨析
[解析] every意为“每一个”，以单指形式表示全部内涵。定冠词the表示特指。故A项为正确答案。