4
D: 1.220
C: 120.000
B: 120
A: 1.200
1
I'm ...
2
We're ...
3
They aren't ...
4
You're ...
5
She isn't ...
6
He's ...
7
I'm not ...
2
Are they students? - Yes, they are.
3
Is he German? - No, he isn't.
4
Is she 18 years old? - Yes, she is.
5
Are you married? - No, I'm not.
1
an
2
a
3
-
4
a
