Please choose the correct ending to complete the given sentence: Health: [header] How to brush your teeth without a toothbrush [title] Use a washcloth or paper towel. [step] A rough washcloth will do a better job of cleaning, but a paper towel will do if a washcloth is not available. [substeps] Wrap the washcloth or paper towel around your index finger, dampen it, and add toothpaste if you have some.

Ending1: [title] Hold the toothbrush in your dominant hand. [step] Use your middle and ring finger to form a fist, and your pinkie to form an' x' at the end of the cloth. Ending2: [title] Place the toothbrush against your gums. [step] Focus in on areas of your gums that you really want to brush. Ending3: Brush your teeth as if using a toothbrush: begin at the gums and work down, cleaning each individual tooth with a circular motion. Don't forget to brush your tongue. Ending4: Squirt some of the toothpaste onto the damp washcloth, and gently scrub your teeth for 30 seconds. Wipe your mouth with a paper towel to remove any stickiness before applying toothpaste.

Answer format: ending1/ending2/ending3/ending4