用past造句 past意思是过去的,要两句,
题目
用past造句 past意思是过去的,要两句,
答案
There were many trees here in the past.
During the past twenty years,we have done many things to improve our environment.
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
最新试题
热门考点