单选题 Replacing printer ink cartridges is expensive. Moreover, disposing of them is ______ to the environment. Most cartridges still work after their first use. Recycling them is better than throwing them away because it not only saves money but also reduces pollution.
If you do not know how to ______ your cartridges, Office Center is here to help. Illinois" largest office supplies store has ink-refilling stations in its outlets. All you need to do is drop them off at a service counter and have them ______. Once we find that the cartridges are still in good condition, we will refill them with ink at half the price of a brand new cartridge. You can save money and assist in conserving nature.
Log on to www.officecenter.com now to learn more about this service.
Note: Office Center supports the government"s Clean and Save campaign by selling brands of biodegradable office materials.