题目内容

17．Healthy food and exercise help ________to study better．（　　）
A．usB．weC．our

分析 吃好、锻炼好帮助我们学习得更好．

解答 答案：A；
本题考查了人称代词的宾格形式．由题目help可知，后面所接的人称代词应为宾格．us，我们，宾格形式；we，我们；是主格，放在谓语动词前面来作主语；our是形容词性物主代词，用在名词前面作定语．
故选A．

点评 识记代词的用法是解题的关键，还要结合语境，根据句意作出正确解答．

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