Ответ:                                                                                                                            1 -exercise                                                                                    

1) My parents have just opened a bakery...

2)We have already done ...

3)Have you been to the  new department store yet?

4)i haven't bought Mum's birthday present yet

5)Sam has just paid for...

6)My brothers have already played golf several times this week

7)I've just told him...

2-exercise

1) I've just seen Anna outside the newsagent's

2)We haven't been to the new bookshop yet

3)Mark has already seen the new Star Wars film five times

4)Have you bought any summer clothes yet?

5)I haven't done my homework yet

6)I've just heard the news about Tom

7)Unfortunately,they have already sold all the tickets