Sadly, the landfills in Hong Kong are getting very full. We need to (1) _____________ our rubbish so that there is less of it. One way of doing this is to (2) _____________ things like paper and bottles. Before you throw something away, you should think about whether you can (3) _____________ the item for something else. For example, you could use empty shoe boxes to organize your cupboard. As well as thinking about our rubbish, we should always (4) _____________ when we leave a room. This is a good way to (5) _____________. It is also a good idea to (6) _____________ by taking short showers instead of long ones.