英语句子改成疑问句并回答1 this is my eraser.2that is his pencil sharpener

问题描述:

英语句子改成疑问句并回答
1 this is my eraser.2that is his pencil sharpener

Is this my eraser?
Is that his pencil sharpener?

Is this my eraser?
肯定回答:Yes,it is.
否定回答:No,it isn't.
Is that his pencil sharpener?
肯定回答:Yes,it is.
否定回答:No,it isn't.

is this my eraser?yes ,it is.
is that his pencil sharpener?yes,it is