Is Peter thin?(否定回答) No,__he_isn't_____.
Mark is hungry.(一般疑问句) _Is___Mark__hungry_____?
It is a tiger.(改复数)___They_are_tigers__._______________
Is Peter thin?(否定回答) No,__he_isn't_____.
Mark is hungry.(一般疑问句) _Is___Mark__hungry_____?
It is a tiger.(改复数)___They_are_tigers__._______________