求10句用过去时态的句子
题目
求10句用过去时态的句子
答案
I played soccer yesterday.(一般过去时)
I was cleaning the room when he came back home.(过去进行时)
By the time I got outside,the bus had already left.(过去完成时)
He had been writing the letter till two o'clock.(过去完成进行时)
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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