We should brush our teeth twice every day.对划线部分提问(twice every day)
题目
We should brush our teeth twice every day.对划线部分提问(twice every day)
____ ___ ____we brush our teeth?三个空
答案
【How often should 】we brush our teeth?
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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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