this is his book 和That is an English dictionary 变成一般疑问句 并作肯定或否定回答

问题描述:

this is his book 和That is an English dictionary 变成一般疑问句 并作肯定或否定回答

Is this his book?
Yes,it is.
No.it isn't.
It that an English dictionary?
Yes,it is.
No.it isn't.