Demonstrative Pronoun Negative

1 . This ____________________ ____________________ my laptop .
2 . ____________________ ____________________ not my pencil .
3 . These ____________________ ____________________ my shoes .
4 . ____________________ ____________________ not apples . Those are bananas .
5 . This is ____________________ a marker . This is a crayon .
6 . That ____________________ ____________________ a pencil . It is a pen .