Working there is unforgettable experience because I gained a lot of .A. a; experienceB. an

问题补充：

Working there is unforgettable experience because I gained a lot of .

A. a; experience

B. an; experience

C. /; experiences

D. /; experience

答案：

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。