—Mrs. Wang was sent to teach English in a poor mountain village last year.—She said she w

问题补充：

—Mrs. Wang was sent to teach English in a poor mountain village last year.

—She said she would never forget some pleasant while working there.

A. experiments

B. expressions

C. experiences

D. emotions

答案：

A. experiments

B. expressions

(答案→)C. experiences

D. emotions

解析： C考查名词的词义。experience作“经历”讲，是可数名词；作“经验”讲，是不可数名词。“她永远不会忘记一些愉快的经历”，故选C。