FCE essay key aspects    

Words such as firstly, in conclusion, even though, however

Use at least 4 of them

You don't start any of your essay sentences with these words. For example "Subway is the fastest way of going places. But it can be overly crowded."

- No contractions (I don't --> I do not, I can't --> I cannot)

- No slang or short sentences

Check verb tenses carefully

- Capital letters at start

- Full stops at the end of sentences

- Commas after linkers (Firstly, ...)

Don't say "If you want to travel more affordably" or "It is a good destination for your next travel", instead say "If one wants to travel more cheaply/affordably" OR "Travellers looking for lower prices...". Don't make essay PERSONAL, keep it neutral. 

For example, "tasty food", don't use tasty in all sentences, you can use synonyms such as "delicious, flavourful, appetising, rich"

Don't say "People know some things about the past." Think and try to find a more suitable word. For example, "People have/possess knowledge/information about the past".