问题
选择题
—Oh, Mrs King ,your necklace looks nice. Is it new ?
—No, I ______ it for two years .
A. had B. have had C. have bought
答案
答案：B
此题考查的是完成时have+过去分词。由for可知用现在完成时。但buy是个瞬间动词，在完成时中要用延续性动词，故要用have的过去分词had，从而选B。