Ответ:

Exercise

Объяснение:

3. Have you eaten Thai food before?

4. Has it been raining all day?

5. Who have we forgotten to invite?

6. We have not heard that song already.

7. He did not forget his books.

8. She has stolen all the chocolate!

9. Have I explained it well?

10. Who has he met recently?

11. How have we finished already?

12. He studied Latin.

13. I know him for three months.

14. Where did you study Arabic?

15. What countries have they visited in Europe?