We cut down many forests. The Earth becomes hot.

There is no question of changing my mind about resigning.

Cars cause pollution but people still want them.

“Why don’t you get your hair cut, Gavin?” said Adam.

Mike graduated from The University of Melbourne with flying colours. However, he chose to work for volunteer programs in Africa.

You should have made your children do housework as soon as they were able to do so.

People know that English is an international language.

We spend about one-third of our lives sleeping. We know relatively little about sleep.

It was an interesting novel. I stayed up all night to finish it.

They are going to hold next year's congress in San Francisco.

Lucy always reminds me of my youngest sister.

It’s cold outside and my leg hurts. I haven't been out for weeks.

He was successful because he was determined to pursue personal goals. He was not talented.

The boy lost several of his fingers because of firecrackers. The doctors are operating on him.

“Are you waiting for your exam result?” She said.

They had to postpone the meeting because of illness.

“If I were you, I would go to the doctor.” David said to Claudia.

Nam defeated the former champion in three sets. He finally won the inter-school table tennis championship.

My mother is very busy with her work at the office. She still takes good care of us.

The substance is very toxic. Protective clothing must be worn at all times.

The student next to me kept chewing gum. That bothered me a lot.