There is a sunrise or a sunset every 45 minutes.用 every 45 minutes提问
题目
There is a sunrise or a sunset every 45 minutes.用 every 45 minutes提问
_ _ is there a sunrise or a sunset?
答案
How_ often_ is there a sunrise or a sunset
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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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