问题
填空题
The students are told to take great pain to obtain good marks in their examinations.
答案
参考答案：pain→pains
解析：此句中pain作不可数名词时解释为"痛苦"；作可数名词时解释为"努力"。
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The students are told to take great pain to obtain good marks in their examinations.
参考答案：pain→pains
解析：此句中pain作不可数名词时解释为"痛苦"；作可数名词时解释为"努力"。