I have aiready finished doing my homework.（改为一般疑问句并作否定回答）
题目
I have aiready finished doing my homework.（改为一般疑问句并作否定回答）
______ you______ doing ________homework ________?填这个空，
答案
Have you already finished doing your homework?
No,I haven't
Have you finished doing your homework yet?
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