Put the in the box into the present or past simple passive. 1) the c ( to take ) to the hospital yesterday. 2) ( to cause ) by pollen, animal dander and other things. 3) when penicillin ( to discover )? 4) where people ( to operate ) on nowadays? 5) the patients ( to examine ) half an hour ago. 6) a new surgeon ( to introduce ) to them last week.
