1.They (never eat).....have never eaten.....Mexican food.

2.Hoa (wolk)....has walked.......in the rain many times.She loves it.

3.I (never see).......have never seen..... such a big flower.

4.We (not visit).......haven't visited....... Nha Trang

5.I (read).....have read......that novel three times.

6.He(never meet).....has never met....... her before.

7.The zoo isn't far from here.I (walk).....have walked......there three times.

8.If we (not economise)....haven't economised.......on electricity there will be power cuts.(thấy cứ sai sai ý)

9.I hope he (finish)...has finished......his homework before we (get)...have gotten......back.

10.If we sit too far away from the screen I (no be)....haven't been......... able to see the film.

12.Where you (come)...have come....... from in finland?

-I (come)......have come....... from Helinki.But I (not live) .......haven't lived............There since I was ten years old.