Multiple choice general knowledge Language rules, sentence structure: grammer grammar gramar grammor Reveal answer Fill a bubble to check yourself B Correct answer Explanation The correct spelling is 'grammar' with 'ar' (not 'er') and double 'm'. Option B is correct. Options A ('grammer') and D ('grammor') use 'er/or' incorrectly, while C ('gramar') is missing a 'm'. The word relates to 'grammatical'.