Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to improve written communication [title] Take your audience into account. [step] It's important to choose the right words depending on your audience. For example, you should use formal language when sending an email to your boss or drafting a cover letter for a job application.

Ending1: Adopting more formal language can help improve communication skills. [substeps] For example, you can even use the word " thank you " if the person you're writing for is a supervisor in your company. Ending2: Save your informal language, such as beginning an email with " hey, " for close friends and family. [title] Explain unfamiliar concepts, terms, and data when necessary. Ending3: Getting your audience's attention is very important, so your writing should reflect that. However, you can also try using the tongue twister. Ending4: But, when spelling words out loud, you should have written them out in vivid and concise terms. Even with proper grammar, try to be respectful of the audience.

Answer format: ending1/ending2/ending3/ending4