Fill in the gaps using the passive voice: 1)millions of in russia last year. (publish) 2)a lit of animals every year (kill) 3)the treasure in three years (find) 4)the keys already (find) 5)the problem before he phoned (discuss) 6)the cake at the moment (make)
2. are killed
3. will be found
4. have been already found
5. was being discussed
6. is being made