My parents (clean the room) erery sunday 改疑问句 否定句 肯定回答 否定回答 括号提问
题目
My parents (clean the room) erery sunday 改疑问句 否定句 肯定回答 否定回答 括号提问
答案
疑问句：do your parents clean the room erery sunday否定句：My parents don't clean the room) erery sunday肯定回答：Yes,they do否定回答：No ,they don't括号提问：What do your parents do every sunday...
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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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