Verified answer

Відповідь:

1) I haven't been to Paris yet.

2) My mother cooked a festive dinner.

3) I have never seen polar bears before.

4) She hasn't eaten her birthday cake yet.

5) Have you finished reading this book?

6) I have been to gallery with valuable paintings.

7) He has studied English since childhood.

(будь ласка, кращу відповідь)