№1.1
2.they're
3.isn't
4.that's
5.I'm not
6.You aren't
№1.2
2.am
3.is
4.are
5.is
6.are
7.is,are
8.am,is
№1.3
2.My brother is a teacher.
3.This house isn't very big.
4.The shops aren't open today.
5.My keys are in my bag.
6.Jenny is 18 years old.
7.You aren't very tall.
№1.5
2.are cold
3.is hot
4.He is afraid.
5.They are hungry.
6.She is angry.
№1.6.
1)I'm not hungry.
2)It is warm today.
3)I'm not afraid of dogs.
4)My hands aren't cold.
5)Canada isn't a big country.