Omission of else after everybody, etc.
Rule: Use the word else in making a comparison between one person/thing and all others of the same kind after everybody, anybody, anything, nobody, etc.
Don’t say: (a) She is taller than everybody.
(b) Except him, nobody could have done that.
Say: (a) She is taller than everybody else.
(b) Except him, nobody else could have done that.