Complete the sentences. Use the Past Simple and the Present Perfect Example: I ... doing my homework (just, finish) - I have just finished doing my home work . I can go for a walk with you

1. - Have you read the book about admiral Nelson?
- Not yet. However, I saw a film about him last month.
2. The young explorers have already been to Dover.
They visited the White Cliffs of Dover a week ago.
3. Alice has already bought a nice present for her niece.
She found the present in the shopping centre yesterday.