Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to edit a book [title] Edit as you write. [step] Every day before you write, go back and re-read what you have already written. Fix obvious mistakes in grammar, syntax, perspective, tense, spelling, and punctuation immediately.

Ending1: If there are any literary errors or grammatical errors, fix them. [title] Use editing software such as mindset in windows, avg, or sharespace. Ending2: When you see something you think needs to be re-written or fact-checked, mark it. [substeps] By the time you finish your first draft, it will already be in relatively tidy shape. Ending3: If you don't find out anything yourself before editing, you're bound to come up with something nasty to say later in the day. Fix the mistakes while you're writing to mark new things and make adjustments for those marks when you start to feel like you're on the hook. Ending4: [substeps] Keep your margins in order at all times to ensure your work is readable. Always be sure to capitalize all sentences in the text and-particularly in the introduction-quickly replace the " j " with " [content].

Answer format: ending1/ending2/ending3/ending4