Trả lời:
1, They put all the trash to underground.
2, The problem is that we will not have enough room to put it all anymore.
3, People can reuse many things in your daily life such as plastic bag, jars and pot or old clothes.
4, They can collect them and give them to poor people.
5, They can reuse old newspaper to make book cover or decorate old bottles to make beautiful vases.
6, We should reuse all things which we don't use anymore to reduce trash.
~잘 공부하세요~
@su