根据首个字母提示用单词的正确形式填空完成句子
题目
根据首个字母提示用单词的正确形式填空完成句子
It‘s very （i.） for us to follow these rules in the classroom.
Lucy (r.) putting her hat on the table.But she can't find it now.
答案
It's very important for us to follow these rules in the classroom.
Lucy remembered putting her hat on the table.But she can't find it now.
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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