Work in pairs. Talk about green things and activities you and your family often do. Use verbs with prepositions or phrasal verbs, and relative clauses referring to the whole sentence.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   clean up      motorbike      sort out      which   
We often go around by bicycle, is more friendly to the environment than travelling by car or .
I often help the neighbourhood with the people living in the same apartment building, is a fun activity we often do together at weekends.
I often help my mother the household waste, helps the recycling process.