This is your pencil.(改为一般疑问句)

This is your pencil.(改为一般疑问句) This is your pencil sharpener.改为一般疑问句 改为一般疑问句This is a nice schoolbag.改为否定句That's your pencil box. this is a pencil.(改为一般疑问句) this is a This is your pencil.改为一般疑问句,并作简单回答 This is my pencil case.改为一般疑问句 将this is his pencil改为一般疑问句 This is a pencil box 改为一般疑问句 把this is her pencil case 改为一般疑问句 This is my new pencil case 改为一般疑问句 This is a pencil sharpener.(改为一般疑问句) 四、句型转换1、This is my pencil case.（改为一般疑问句）2、Is this your sofa?