Hoàn thành câu thứ hai sao cho nó cùng nghĩa với câu thứ nhất
1. Learning about recycling is fun.
It's ______________________
2. Plastic bags are cheaper than reusable bags
Reusable bags are _______________________
3. It's not good to throw old clothes away.
You _____________________________________________
4. Remember to turn the tap off when you are brushing the teeth.
Don't _______________________________________________________
help!!!