Câu hỏi:

If you turn _________ the lights when you don’t use it, you will save electricity.

Do you know what ___________ water pollution?

Water is used to generate __________.

We can use this bottle once again.

Good morning, I’m Alex. And today I will talk about recycling. Recycling has a lot of advantages. Firstly, it saves the environment. Instead of cutting more trees to produce paper, we can use recycled papers. Secondly, recycling also saves energy. Thirdly, recycling helps reducing global warming and reduce pollution. Finally, recycling helps saving money. Recycled articles cost less than new ones. In conclusion, using recycled product is environmentally-friendly and money-saving. Therefore, we should put plastic bottles in recycling bins and buy recycled products.

Recycling wastes energy.

We will save the environment if we ___________ plastic.