Please choose the correct ending to complete the given sentence: Youth: [header] How to pass sixth grade [title] Have everything you need and be prepared. [step] This goes without saying, but having all the proper materials for school can mean the difference between getting an f or getting an a. [title] Have a planner. [step] Write down all your homework by day, and be sure to make sure you do it.

Ending1: Use it as a checklist for your next class or any other school test. Have a couple of important papers that need to be sent to you on the day, make sure you have a pen with you to write them down (but don't use a ruler. Ending2: [title] Sit up straight! [step] By sitting up straight, it is scientifically proven that your brain becomes more active and you will learn more. [title] Avoid talking, passing notes, or texting during class. Ending3: [title] Make sure to : [substeps] Spend a lot of time studying. Put all of your things in pile not put it away. Ending4: You can't do it all in one afternoon! [title] Have good hygiene. [step] Brush your teeth twice a day, shower every 2/3 of the week, use deodorant, and apply a little perfume.

Answer format: ending1/ending2/ending3/ending4