Antonym, composition, difficult, exam, foreign, get bored, important, spelling, synonym, составить с этими словами по 1 приложению

Antonyms are used in the russian language.
Great composition in these foods.
It was difficult.
I took the exam last year.
I was in foreign country.
I'm bored on the job.
For me is important your opinion.
Your spelling and grammar is terrible.
I often use synonyms.