We will see his boat and then we will say goodbye to him.
题目
We will see his boat and then we will say goodbye to him.
改成下面这句行不行啊
We will see his boat and then say goodbye to him.
答案
可以这么改 原句略显罗嗦 改后好些
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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