The deadline for applications is 30 April. Do you think you can ______ it?

Einstein was         a great scientist. He did a lot for human rights and      progress. 

 There was a large box behind the door and Peter couldn't _____ falling over it in the darkness.

To our ______, the result of the experiment is much better than we expected.

After the doctor told her everything, Jenny was in a       as to whether to tell her friends the truth about her condition or not.