英文填字OK.But how do (1) ___ know when to go to work?Henry wanted to know.
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英文填字OK.But how do (1) ___ know when to go to work?Henry wanted to know.
By the time i get out of bed,wash(2)__ face and brush (3) __ teeth,it's seven,said Frederick.
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you
my
my
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
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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