That is my sister改為複數形式This is his cousin改為複數形式I'm Mike Smith改為一般疑問句

Those are my sisters.
These are his cousins.
Are you Mike Smith？

RELATED INFORMATIONS

1. His father and mother are teachers.（改為同義句）This is my cousin.（改為複數形式）
2. this is my cousin改複數句子
3. This is my friend改為複數形式
4. is that her counsin的複數形式
5. Is this your picture？（改為複數句）That is my cousin.（改為一般疑問句，並作肯定回答） These are his friends.（改為否定句） She is my mother.（改為一般疑問句，並作肯定回答） His first name is（Nick）.（對括弧部分提問）
6. Is that her English book？複數形式
7. He is my cousin.（複數）
8. cousin，this，photo，family，that，parent，boy，friend，sister，he，這些單詞的複數形式求救sos
9. 把下列句子改為複數：this is agirl.thatis yourcousin.thepicture is nice 把下列句子改為複數： this is a girl. that is your cousin. the picture is nice.
10. Is that a photo？的複數形式
11. This is his cousin.改為複數形式
12. rice和hair都是不可數名詞，為什麼可以a hair不可以a rice？
13. hair是可數名詞還是不可數名詞？如何用？
14. 可數名詞，不可數名詞，既是可數名詞，又是不可數名詞；
15. hair是可數名詞也是不可數名詞，什麼時候是可數名詞，什麼時候是不可數名詞/
16. hair是不是不可數名詞
17. ‘hair’是可數還是不可數名字？
18. She has short black hair怎麼改為同義句？
19. She has short hair .同義句！ She has short hair.改為同義句 _______ _______ _______ _______.
20. She is from America and she has short hair.變複數句