We can’t deny that all of us made certain mistakes.

No matter how hard Fred tried to lose weight, he did not succeed.

“Don’t forget to submit your assignments by Thursday,” said the teacher to the students.

Your only chance of getting a ticket is to wait in the queue.

This is my first visit to Paris.

This is the first time I have lived in such a friendly neighborhood.

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

People have discovered a new source of energy.

There were so many people on the train that Mary couldn’t get a seat.

It’s waste of time to try to explain anything to Tony.

Mary lost the ticket. She didn’t go to the concert.

Unless we protect the environment, our life will be badly affected.

“Why don’t you participate in the volunteer work in summer?" said Sophie.

"Let's go out for a walk now," he suggested.

People say that Mr. Goldman gave nearly a million pounds to charity last year.

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

They cancelled all flights because of fog.

Had the advertisement for our product been better, more people would have bought it.

Sam doesn’t find it difficult to get up early in the morning.

If it hadn’t been for his carelessness, we would have finished the work.

They say that three men were arrested after the explosion.