Choose the best answer to fill in the blank (13)

Planting trees can contribute to reducing global warming.

He said that he would take responsibility for his company's damage to the area. But then he denied that.

They decided to cut down their carbon footprints. They were praised for that.

Carbon dioxide is one of the primary greenhouse gases that cause global warming.

Climate change leads to numerous catastrophic consequences.

The increase in earth's temperature can cause heat-related illnesses.

Some scientists have distorted the effects of climate change. They were accused of that.

We have advised you on how to cut down your energy use. We remember that.

He donated a lot of money to environmental protection campaigns. He was admired for that.

“You're always making terrible mistakes”, said the teacher.

Choose the best answer to fill in the blank (14)

I/ had/ An/ clean/ bedroom/ before/ let/ her/ go out/ play//

The workers are threatening to go on strike unless the company raises the hourly wage.

Choose the best answer to fill in the blank (11)

Having seen people suffer global warming consequences, we decided to reduce carbon footprints.