She has short black hair怎麼改為同義句？

Her hair is short and black.
上面那位仁兄肯定是錯的，應該用her，不是she's

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1. ‘hair’是可數還是不可數名字？
2. hair是不是不可數名詞
3. 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/
4. 可數名詞，不可數名詞，既是可數名詞，又是不可數名詞；
5. hair是可數名詞還是不可數名詞？如何用？
6. rice和hair都是不可數名詞，為什麼可以a hair不可以a rice？
7. This is his cousin.改為複數形式
8. 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
9. His father and mother are teachers.（改為同義句）This is my cousin.（改為複數形式）
10. this is my cousin改複數句子
11. She has short hair .同義句！ She has short hair.改為同義句 _______ _______ _______ _______.
12. She is from America and she has short hair.變複數句
13. She has short hair.變複數
14. 定語從句引導詞為that，先行詞為複數，引導詞後動詞單數還是複數？原題：He likes movies that ____（be）about scary monster.
15. close能做形容詞嗎 close的形容詞到底是close還是closed啊
16. close的形容詞是什麼？
17. hair的形容詞是什麼
18. these（單數）hair（複數）see（同音字）
19. she has short hair（變複數）答案是they have short hair他們是把人變複數了，我把頭髮變複數行嗎？ she has short hairs他有好幾根短頭髮可以嗎？
20. her hair做主語，謂語用單數還是複數