Ответ:

1.I haven't been to the new shopping centre yet.

2.Have you already bought Jenny a present?

3.I've already bought a card for her birthday.I got it last week.

4.Sorry I'm late.I've just been to the newsagent's to buy a newspaper.

5.We have just bought tickets for the fashion show. I'm so happy!

6. She hasn't decided yet.

7. I've already remembered her phone number.

8.The film has just finished.

Объяснение:

В предложениях нет ошибок,надо просто вставить слова just,already,yet туда,куда нужно