Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to write a letter asking for an extension [title] Prepare a header section. [step] The date should go in the upper right corner of the page. Skip one line below it and then type out your address, also justified to the right.

Ending1: Below this, include your name, phone number, email address, and password. It is important to include this information within the text section labeled " writing. Ending2: [title] Be bold, properly put in your first full name, a period, the year and section number. [step] Also be careful with this section for various reasons. Ending3: Then, skip another line and place your recipient's full address flush with the left hand side of the page. [substeps] If you are sending your request via email, you can omit the date and address portions and start with your salutation. Ending4: Make a list of details that you will need in an extension, based on your writing style, the type of text to include, and the topic matter you want to address. This section will ensure that your letter has enough room in the center to be easily bound.

Answer format: ending1/ending2/ending3/ending4