问题补充：
The new teacher made a good on the students by her rich knowledge and humorous talk.
A. feeling
B. effect
C. impression
D. expression
答案：
A. feeling
B. effect
(答案→)C. impression
D. expression
解析：名词辨析。A感觉；B影响；C印象；D表情；结合句意可知C正确。句意：那位新老师用丰富的知识和幽默的谈吐给学生留下了上课的印象。
