1. Peter started doing his mathematics homework 1 hour ago. He is still doing it and now he is at the 3rd exercise. (do / for 1 hour)…

1. Peter started doing his mathematics homework 1 hour ago. He is still doing it and now he is at the 3rd exercise. (do / for 1 hour) ________________________________ (do / 2 exercises) ______________________________ 2. Chris is from America. He is working in Russia at the moment. He came to Russia in May. (work / since…) _______________________________ (visit / 5 Russian cities / already) _________________________ 3. Helga Osmond is an actress. She began acting when she was 14. She is presenting her 5th film this year. (act / since she was 14) _________________________________ (act / 5 films) ______________________________________