Fill in the blanks with the appropriate modals. Click the correct answers.

1. It seems we ... establish contact with the planes because communications are not relayed.
   1.   ?    can't
   2.   ?    shouldn't
   3.   ?    mustn't
2. If the planes aren't called back, the entire continent ... be destroyed!
   1.   ?    may
   2.   ?    can
   3.   ?    should
3. ... YOU imagine ?
   1.   ?    Can
   2.   ?    Must
   3.   ?    Should
4. Maybe, we ... warn the French and the British too.
   1.   ?    ought to
   2.   ?    can't
   3.   ?    couldn't
5. .... you dial the number of the British Prime Minister, please?
   1.   ?    Would
   2.   ?    Should
   3.   ?    May
6. We really ... have let that loony base commander take charge of the operations.
   1.   ?    shouldn't
   2.   ?    must
   3.   ?    mustn't
7. I ... accept to go down in history as the person responsible for all those deaths! We have to do something!
   1.   ?    could
   2.   ?    will not
   3.   ?    must