Ответ:

2. Have you ever flown a kite?

3. There is nothing in the box. I just emptied it

4. Simon went to the theatre last week.

5. Did you eat all the chocolate cake last night?

6. Are you wearing your new hat yet?

7. I drank twelve glasses of water yesterday.

8. Dora has visited five European countries so far.

9. Did you come to work by bus yesterday?