Fill in the blanks with the apporpriate preposition
1. That man was fined               using dynamite fishing
2. The goverment should encourage city-dwellers to use public buses instead            motorbikes
3. That seaside is always                 of trash
4. What will happen                the bag filled               valuable if we don't keep an eye on it?
5. My school yard is never littered               rubbish. The students are aware              pollution effects on their health. Therefore, some of them want to dedicate their lives                protecting the environment