题目内容

Please do me a favor-----_________ a seat for me in case the hall is too crowded.
A．to saveB．savingC．saveD．saved
C

试题分析：考查祈使句，句意：请帮我一个忙，为我留个座位，防止大厅太拥挤。破折号后面的句子，缺少动词，是祈使句。选C。
点评：通过分析句子成分，这句话缺少谓语动词，也省略了主语，用动词原形，构成祈使句，表示请求。
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