READ to read the article again. Then move each sentence into the correct category. AD Main Idea Supporting Detail Avoid using slang or abbreviations like LOL or BTW. Missing commas or periods might demonstrate to others that you are not careful. If you are careful about how you write, you can leave a good first impression. There should always be a greeting in formal emails. Being professional when you write emails means following certain standards. Always put a subject in the subject line. Formal emails also need to have correct grammar, spelling, and punctuation. A professional email should be complete