1.Mary has been a nurse for seven years否定句,疑问句,回答 2.Tom has done his homework.
题目
1.Mary has been a nurse for seven years否定句,疑问句,回答 2.Tom has done his homework.
2.Tom has done his homework.否定句,疑问句,回答
答案
1.Mary hasn't been a nurse for seven years.Has Mary been a nurse for seven years?Yes,she has./ No,she hasn't.2.Tom hasn't done his homework.Has Tom done his homework?Yes,he has./ No,he hasn't.
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