【题目】--- Is this your book?( )
--- (做否定回答)
A. Yes, it is. B. No, it isn’t. C. No, they aren’t.
【答案】B
【解析】
Is this your book?否定回答: No , it isn’t.

【题目】--- Is this your book?( )
--- (做否定回答)
A. Yes, it is. B. No, it isn’t. C. No, they aren’t.
【答案】B
【解析】
Is this your book?否定回答: No , it isn’t.