Почему яблуневый сад может погибнуть, если вокруг розвелось много одичавших кошек?

Ex.2. Put the
verb in brackets in the Present Perfect or Past Simple tense

1.    
Have you heard
the rules? They _______________(just/elect) a new manager.

2.    
Martha
_______________(find) a new job. She is starting next week.

3.    
When
______________Simon _______________(arrive) at the cinema yesterday?

4.    
John is a
well-known artist. He ______________(paint) a lot of pictures.

5.    
John
________________(paint) his first picture in 1980.

6.    
Mike
_______________(win) more than 20 medals when he was a sportsman.

7.    
I
________________(see) Sting last year.

8.    
I
______________(speak) to Celine Dion.

9.    
I
_______________(write) 5 letters this week.

10.  I ______________(read) this book a month ago.

11.  He _______________(still/not/buy) a computer.

12.  They ________________(yet/not/find) the way out.

13.  _______________you ______________(write) this
translation yet?