题目内容

In the after-class activities，the students had plenty of_________and gained a lot of practical _________.
A．experience;experiences
B．practices;experience
C．practice;experience
D．exercise;knowledges
C?
practice和knowledge都是不可数名词，排除B、D两项；experience既可作可数名词“经历”，也可作不可数名词“经验”。在此应为“经验”之意，为不可数名词。?
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