this is a pencil 改为特殊疑问句是不是what is this?
this is a pencil 改为特殊疑问句是不是what is this?
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)
This is a pencil box 改为一般疑问句
This is a pencil sharpener.(改为一般疑问句)
This is my blue pencil.(改成特殊疑问句)
this is a pencil改为复数句
What is this?----This is a pencil sharpener改错
this is my eraser.(改为一般疑问句) Is it a pencil?(做肯定回答)
改为一般疑问句This is a nice schoolbag.改为否定句That's your pencil box.
This is my pencil case.改为一般疑问句
将this is his pencil改为一般疑问句