Working there is unforgettable experience because I gained a lot of .
A. a; experience
B. an; experience
C. /; experiences
D. /; experience
网友回答
A. a; experience
(答案→)B. an; experience
C. /; experiences
D. /; experience
解析：第一个“experience”作为“经历”解为可数名词，前面要用冠词。“unforgettable”为元音音
素开头的词，故用“an”；第二空“experience”作为“经验”解为不可数名词。句意：在那儿工作是一
次难忘的经历，因为我收获了不少经验。