1. Are produced
2.are needed
3. Are destroyed
4.Were made
5.are produced
6.were cleaned
7.was killed
8.are killed
9. Are used
10.were killed
1.room has used for ages by nobody
2.keys will be given you tomorrow
3.Dr Johnson is interviewed at the moment
4. Letters had already opened
5. Briefly is usually talked at dinner time
1. With
2. By
3. By
4. With
5. By