Use the passive voice to rewrite the following questions. 1. two reports on the story (make) last month. 2. the test already (correct) by the teacher. 3. the book (discuss) at the next conference. 4. the songs (sing) at the lesson of music. 5. two new engineers (introduce) to the head tomorrow.
2. has already been corrected
3. will be discussed
4. is sung
5. will be introduced