17(cosx*cos4x-sinx*sin4x) при x=18
срочно плиз

Заполните пропуски глаголами to be или to have в соответствующей форме (по смыслу). Переведите предложения на русский язык.

1. Now his parents ... a comfortable flat.

2. There ... two terms in the academic year.

3. My elder brother ... an electrical engineer.

4. Students ... the longest holidays in summer.

5. I ... proud of my parents.

6. These ... her children.