Passive voice - 4

1. Two paintings are known to __________ damaged in the attack.
   1.   ?    HAVE BEEN
   2.   ?    BE
2. At the moment the passengers are not __________ allowed to leave the plane.
   1.   ?    BEING
   2.   ?    BEEN
3. The burglars are believed __________ through an upstairs window.
   1.   ?    TO HAVE ENTERED
   2.   ?    HAVE ENTERED
4. __________ mugged is an absolutely terrifying experience.
   1.   ?    BEING
   2.   ?    TO BE
5. The situation is serious. Something must __________ before it's too late.
   1.   ?    BE DONE
   2.   ?    BE DOING
   3.   ?    TO BE DONE
   4.   ?    BE MADE
6. I haven't received the letter. Maybe __________ to the wrong address.
   1.   ?    IT HAS BEEN SENT
   2.   ?    THE ARE SENDING IT
   3.   ?    IT IS SENT
   4.   ?    THEY SEND IT
7. No decisions will __________ until the next meeting.
   1.   ?    BE MADE
   2.   ?    MAKE ITSELF
   3.   ?    TAKE ITSELF
   4.   ?    BE DONE
8. — Are you going to John's wedding?
   — No, I __________ invited.
   1.   ?    HAVEN'T BEEN
   2.   ?    HAVEN'T OBTAINED TO BE
   3.   ?    DIDN'T OBTAIN TO BE
   4.   ?    WASN'T BEEN