問題詳情：
—Mr. Li was sent to teach Chinese in an American high school last year.
—Yes, I know. He told me he would never forget his pleasant _______ while working there.
A. experiments B. expressions C. experiences D. explorations
【回答】
C 由句意“李老師去年被派到美國一所高中去教漢語了。”“是的，我知道。他告訴我
他將永遠不會忘記在那兒工作的愉快經歷。”可知C項符合題意。
知識點：名詞
題型：選擇題
