This is.(疑问句并否定回答)
This is.(疑问句并否定回答)
This is my ruler.(疑问句并否定回答)
this is my tiger变疑问句,否定句,并回答
This book is mine .一般疑问句,并否定回答
This is my sister,Jenny.(改为一般疑问句并作否定回答)
This is a ball.(改为一般疑问句,并作否定回答)
This is a photo of Tony's family.(改为一般疑问句,并作否定回答)
This is my good friend.(改为一般疑问句并作否定回答)
This is aruler.(改为一般疑问句,并作肯定和否定回答)
This is a key.(变成一般疑问句,并作否定回答)
This is a teacher's desk(改为一般疑问句,并作否定回答.)求教
This is his telephone number.(改为一般疑问句,并作否定回答)