Răspuns:
ex 1
1. is
2.are
3.is
4.are
5.is
6. am
7.are
8.is
9.are
10. are
ex 2.
Lily and Dan aren't on vacation.
Ben isn't hungry right now.
my mother isn't a teacher.
I am not at the cinema.
It isn't about to rain today.
The books aren't heavy.
Thay aren't poor.
The kitchen isn't clean.
ex 3.
2.yes, it is
3.no, they aren't
4.no it isn't
5. yes they are
6.no they aren't
7.yes it is
8.yes it is
9.yes they are
