It is not my book.（缩写句子） Is that a key?（做肯定回答）It is my mother's watch.（改为一般疑问句,并作否定回答）----（ ）（ ）（ ）mother's watch?----( ）,（ ） （ ）.
问题描述：
It is not my book.（缩写句子） Is that a key?（做肯定回答）
It is my mother's watch.（改为一般疑问句,并作否定回答）
----（ ）（ ）（ ）mother's watch?
----( ）,（ ） （ ）.
答
Is it my mother's watch?
No, It isn't.
答
Is this my mother's watch?
No,it isn't.
答
It isn't my book.
Yes,it is.
(Is) (it) (your) mother's watch?
(No),(it)(isn't) .
答
(Is)( it)( my) mother's watch?
(No),(it's)(not).
答
It isn't my book.
Yes,it is.
Is this your mother's watch?
--No,it isn't.
答
is it my
yes,it is