Древний Рим

Объясните понятие: крис, инфляция.

Нужно указать время и поставить слова из скобок в правильной форме:
1. This coffee just (make), help  yourself.

2. These shirts (iron, not) yet.

3. I Just (tell) that my house will be knocked down next month.

4. Look! The Bridge (repair)

5. Margaret (know) to be a very kind person.

6. In Greece the Olympic Games (hold) once in four years.

7. The problem (study) for three years, but they haven't got any results.