Пять вопросов и пять ответов в прошедшем времени.

1. What were you doing at about six o'clock in our school? - I was cleaning the classroom with Helen.

2. Who has already made the ecology school project? - I know exactly that Helen and John have already done that.

3. Have you ever been to the Madam Tussaud Museum? - Yes, I have been there while travelling around British cities.

4. Did you hear about that horrible accident in the center yesterday? - No, I didn't. What happened?

5. When was the last time you visited her? - I think it was five or four days ago.