Studying nature reserves( ) us learn more adout protecting animals. A helps B to help C help
题目
Studying nature reserves( ) us learn more adout protecting animals. A helps B to help C help
则么想的,为什么这样填?请快点告诉答案.
答案
答案：A
Studying nature reserves 是动词ing形式短语作主语,谓语动词用单数形式.
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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