№2 переделайте из активного в страдательный залог. 1) popov inventid radio in 2) every four years people elect a new president in the 3) the police caught a bank robber last 4) sorry, we don`t allow dogs in our safari 5) the postman will leave my letter by the 6) my mum has made a delicious cherry pie for 7) george didn`t repair my 8) wait a little, my neighbor is telling an interesting 9) my son write some more articles about

Radio was invented by Popov in Russia.
Every four years a new president is elected in the USA.
Last night a bank bobber was caught by the police.
Sorry, dogs are not allowed in our safari park.
My letter will be left by  the postman by the door.
A delicious cherry pie was made by my mum for dinner.
My clock was not repaired by George.
Wait a little, an interesting story is being told by my neighbour.
Some more articles were written by my son about football.

1)Radio was invented in Russia 
2)a new president in the USA is elected   Every four years
3)a bank robber was caught  last night
4)dogs aren't allowed in our safari park
5)my letter was left by the door
6)a delicious cherry pie was made for dinner
7) my clock wasn't repaired
8)an interesting story was told
9) articles about football was written