I don't know what it is in my books, but I don't know what it is.
ผลลัพธ์ (ภาษาอังกฤษ) 2:
I do not know what it is? I was in the textbooks But I do not know what it is.
ผลลัพธ์ (ภาษาอังกฤษ) 3:
I don't know what is in the textbook I have, but I don't know what it is.