Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean old hardwood floors [title] Sweep your floors daily. [step] Daily maintenance will help keep old hardwood floors in the best shape. Sweep or dust-mop them daily to remove dirt, dust, pet hair, and other debris.

Ending1: Avoid soaking your floors in water or permanent cleaners, since these will permanently discolor old hardwood. [substeps] For floor cleaning jobs, use a wooden cleaning sponge and an electric head and mop to collect dirt, dust, and debris from your floors. Ending2: Once you've dusted or cleaned all the floors, use a soft soft bristle broom to sweep them. [substeps] To prevent dirt build-up while dusting, take it with you when you vacuum. Ending3: Because of this, sweeping weekly is important to ensure you mop properly. [substeps] To sweep, position two (22.5 by 5.7 cm) mop heads straight on top of your hardwood floor. Ending4: [substeps] A microfiber towel is also great for removing dust. [title] Vacuum using the bare floor setting weekly.

Answer format: ending1/ending2/ending3/ending4