Write sentences using the correct form of the present perfect.!

Яделала как могла, если что, там может и какой-то бред, но писала я что мне в голову придет. на bbc1 и россии 1 похожи там каждое утро и каждую субботу показывают вести, тв-шоу и фильмы . редко они показывают мультики. после новостей показывают на обоих каналах погоду на bbc1  and  russia 1  are very similar  there  every morning  and  every saturday  i go  to,  the tv shows and  movies .  very rarely  they show  cartoons.  after  news  show  on both channels  weather

1. the tourists were met by the guide at the station. 2. his letter has just been read by him. 3. an interesting subject is being discussed by our students. 4. their work will be finished in time. 5. the article had already been translated by they when my dictionary was given to them. 6. will they have planted the trees by the beginning houses in our city every year. (проверьте ! ) 9. a letter was being written by her when i came in. 10. many wonderful discovers have been made by russian scientists. 11. who(m) was the phone answered by? 12. who(m) was the prize given to? 13. we were asked by two teachers at the examination last year. 14. he is being questioned by the police now. 15. the work has already been done by them. 16. who(m) was america discovered by?