20 баллов,помогите все

Упр. 1
2. ‘s
3. ‘re
4. ‘M not
5. Isn’t
6. Aren’t
7. Am
8. Is
9. Are

Упр. 2
1. ‘Re
2. ‘S
3. ‘Re
4. ‘S
5. ‘M
6. ‘Re
7. ‘S

Упр. 3
1. The video games aren’t very popular
2. They aren’t fourteen years old
3. The teacher’s car isn’t expensive
4. The CD player isn’t in the classroom
5. You aren’t in my class
6. We aren’t from Rome
7. English isn’t a difficult language

Упр. 4
1. Is it small?
Yes, it is
2. Is a laptop cheap?
No, it isn’t
3. Are the bags on the desk?
Yes, they’re
4. Are the DVDs in the bag?
No, they aren’t
5. Is the exercise easy?
Yes, it is

Упр. 5
1. Am
2. Are
3. Am not
4. Am
5. Is
6. Is
7. Isn’t
8. Are
9. Are
10. Are
11. Aren’t
12. Are
13. Are
14. Are