从方框里选择合适的单词或词组，并用其正确形式填空。
that way; reduce; resource; drop litter; depend on
【小题1】The road is so dirty. People must be stoppled from _______________ in this area.
【小题2】If no children eat snacks at school, we can _______________ the waste around the school.
【小题3】Using recyclable（可再生的）paper is also a way to protect forest _______________ .
【小题4】You’ve grown up. Don’t _______________ your parents any more.
【小题5】The place is full of natural beauty. We will keep it _______________ and won’t allow anybody to build any buildings here.