
I have ____________ new eraser. [ ] A. a B. an C. /
The correct answer is A. a. In English grammar, we use "a" before words that start with a consonant sound and "an" before words that start with a vowel sound. The word "eraser" begins with the vowel sound /ɪ/ (like "e" in "egg"), but the question has a blank before "new eraser" – we need to consider the sound of the word immediately following the article, which is "new" (/njuː/), starting with a consonant sound /n/. Therefore, "a new eraser" is grammatically correct.
Remember: article choice depends on the sound of the first letter of the word that directly follows it, not just the letter itself. For example, we say "a university" (because "university" starts with a /j/ sound, which is consonant-like) but "an hour" (because "hour" starts with a silent "h" and the first sound is /aʊ/, a vowel sound).