精英家教网 > 初中英语 > 题目详情
______nature reserves _______us learn more about protecting animals.
A.Studying ; helpB.Studies ; helpsC.To study; helpingD.Studying; helps
D

试题分析:句意:研究自然保护区有助于我们了解更多的关于保护动物的知识。动名词做主语后面的谓语动词用单数形式;故选D。
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