问题补充:
Mr. Wu is a teacher with . He often tells us some of his unusual in America.
A. a lot of experience, experiences
B. much experience, experience
C. many experiences, experience
D. many experience, experiences
答案:
(答案→)A. a lot of experience, experiences
B. much experience, experience
C. many experiences, experience
D. many experience, experiences
解析:experience作为经历时为可数名词,作为经验时不可数名词,故选A