My telephone number is 0830-2345151. (对划线部分提问)
________ is ________ telephone number?
Are those his pencil cases? (做否定回答)
No, _______ _________.
This is my pencil box. (改为复数句)
_______ are my pencil ________.
They are our teachers. (对划线部分提问)
_______ __________ they?
This yellow ruler is his. (同义句转换)
This is _______ yellow ________.