为你解答。I was lucky enough to have (an) even closer look at it.我真是够幸运的,甚至在更近距离地看了它一眼。解释:have a look at sth,看一眼某物。因为是在even(元音)开头,所以填an。
填an这是have / take a look at sth句型的延伸.closer是形容词的比较级修饰look,而even是程度副词,修饰形容词的比较级closer。