key
                    - That is ______ key.
 - Is this your sister’s key, John? —No, it isn’t. ______ is in the bag.
 - Is this your sister’s key, John?— No, it isn’t. ______ is in the bag.
 - Is this your key, Jenny ? —No, ______ is in my handbag.
 - This key ring doesn’t belong to _______, maybe it’s ________.
 - Is this ________ key, Tom? —No, that one is ________.
 - The key may be in your bag.—.