Составь вопрос, используя следующие слова: what time / did / at

1. At what time did you see Ann a week ago?

2. When have you already corrected all the mistakes?

3. Why does she often visit the museum?

4. How often do they meet each other?

5. Where did they meet last week?

6. Whose friend is his sister?

7. Whom did they see yesterday?