Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to mail packages faster [title] Use a sturdy box (or envelope) with packing or strapping tape on all the seams. [step] If the envelope or box opens in transit, the post office will need to reassemble it, and it will take a lot longer. [title] Print your return address and the recipient's address.

Ending1: [step] Start with the first letter, followed by the standard home address in your outgoing mail box. If you don't already have this address, print it and type your address into the address bar next to your mailing address and your travel address. Ending2: [title] Use the 9-digit zip code. [step] Go to usps.com () and look up the recipient's address. Ending3: [title] Lay the envelope down on its side in a location that is inconspicuous to the recipient. [title] Tape your mailing address and the recipient's address on the outside of the envelope or box. Ending4: [step] If there are any things you'd like to attach to the envelope or box, be sure to print them out and label them so the mail can be printed correctly. [title] Make blank labels on the back of the envelope (if applicable).

Answer format: ending1/ending2/ending3/ending4