Fancy Being A Spy?

[The Dude]

http://www.gchq.gov.uk/codebreaking/index.html

My results:

Puzzle 1: A and B right (1 word missed on C) D and E wrong
Puzzle 2: The 1st one right,2nd wrong
Puzzle 3: None right (Gave up)
Puzzle 4: none right (Gave up)