tolong diubah kalimat ini menjadi possive voice

Kelas: SMA
Pelajaran: English
Kategori: passive voice
Pembahasan: 

1. A good song is being sung by him. 
2. That problem can be saved (by us).
3. Two thieves has been arrested by the policeman. 
4. A dictionary from the library is being borrowed by Merry when I come. 
5. A glass of milk is drunk by Roy every morning.