Сделай задание 1.Вставь в пропуски правильное время

Конечно! Вот ответы на задание 1:

1. seen - I haven't seen it yet.
2. downloaded - I have downloaded an app.
3. Did you go - Did you go to that restaurant?
4. known - I have known Kevin since we were young.
5. Did you watch - Did you watch that programme last night?