Please choose the correct ending to complete the given sentence: Health: [header] How to care for your teeth [title] Brush two times a day. [step] Brushing is important and it shouldn't be skipped or rushed. When you brush, do so for at least two minutes.

Ending1: However, be sure to squeeze it all out. [substeps] You may discover that your teeth dry easier when your brush brush. Ending2: If you take longer, a dry, soft brush will work just as well, if not more. Be sure to get the pads and fillings out as well. Ending3: If you have long or thick teeth make sure to brush the back of your tongue and the sides as well. Say the word " brush " and continue with your tongue. Ending4: This will give you time to thoroughly clean each tooth. [substeps] Replace your toothbrush when it gets worn out.

Answer format: ending1/ending2/ending3/ending4