Rewrite the sentences so that it has a similar meaning to the original one

Rewrite the sentences so that it has a similar meaning to the original one:
1. She sang a song
-> A song_________
2. Somebody hit me.
-> I______________
3. We stopped the bus
-> The bus__________
4. Max plays the vilolin. He started theree years ago.
-> Max____________________________________
5. I saw Ann yesterday but I haven't seen her today
-> I______________________________________