I was walking in the street when someone called me对was walking in the street提问
题目
I was walking in the street when someone called me对was walking in the street提问
答案
后边这个句子应该加上个was就可以了,就是some one called me when I was walking in the street,这样后边的句子就无语法错误了.但是请注意一点,前边I was walking in the street when someone called me的意思是,当有人喊我时,我正在街上走路;但后一句改正后的意思是当我在街上走时,有个人喊我.你来看看这两句的意思是不太一样的,明白了吗
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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