we can save water by turning off the taps in time(划线提问）划线的是by turning off the taps in time
题目
we can save water by turning off the taps in time(划线提问）划线的是by turning off the taps in time
------- -------- you save water?
答案
how can
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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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