把下面的句子变为复数形式

把下面的句子变为复数形式

题目
把下面的句子变为复数形式
1.This is my sister
2.That is his brother
3.what is that
4.Ls this your friend
5.that isn't a book
答案
1.This is my sister
These are my sisters.
2.That is his brother
Those are his brothers.
3.what is that
What are those?
4.Ls this your friend
Are these your friends?
5.that isn't a book
Those aren't books.
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
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.