这句英文改成虚拟语气怎么写?
题目
这句英文改成虚拟语气怎么写?
In the family,there is no ruler that the old must take care of the younger.
答案
In the family,it is not neccessary that the old (should) take care of the younger.
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