( ) -- Are these his shoes? -- No, they ________. A. are B. aren’t C. isn’t
A: This is your father's pen, I think. B: No, it's _______.
A: Is that your purse? B:_______ .
A: Where is Gao Shan? B:_______ .
A: May I have a rubber _______ my friend ? B: Sure.
A : What's that in English? B : _______ .