把下面的句子变为复数形式

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 07:18:54

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

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.

把下面的句子变为复数形式把下面的句子变成复数形式分别把下列单数句子变为复数形式,把复数形式句子变为单数把下列句子由单数形式变为复数形式或由复数形式变为单数形式（正解加悬赏）怎么把以y结尾的名词变为复数形式把下面的句子变为简单句将下列句子变为复数形式将下列复数句子变为单数形式请将句子变为复数形式. 把下列单词变为复数形式把like和play变为复数形式把下列单数句子变为复数句子.