с английским языком:
Past Simple or Present Perfect?
1) Captain Cook (discover) the island in 1775.
2)Last year the young musicians (open) the festival.
3) The producer and his team (come) back from Lake Baikal recently.
4) The dolphin show (not \ begin) yet.
5) There (not \ be) any snow in December last year.
6) you ever (see) the White Whale Snow? --- No
7) When they ( go) to the new Aquarium? --- Last weekend.

1) Captain Cook DISCOVERED the island in 1775.

2) Last year the young musicians OPENED the festival.

3) The producer and his team HAVE COME back from Lake Baikal recently.

4) The dolphin show HASN'T BEGUN yet.

5) There WASN'T any snow in December last year.

6) HAVE you ever SEEN the White Whale Snow? - No

7) When DID they GO to the new Aquarium? - Last weekend.

1. Captain Cook discovered the island in 1775
2. Last year the young musicians opened the festival
3. The producer and his team have come back from Lake Baikal recently
4. The dolphin snow hasn’t begun yet
5. There wasn’t any snow in December last year
6. Have you ever seen the White Whale Snow? - No
7. When did they go to the new Aquarium? - Last weekend