He didn't know how to swim until he was 30.

Most scientists know him well. However, very few ordinary people have heard of him.

Workers are not allowed to use the office phone for personal calls.

We cut down many forests. The Earth becomes hot.

Joe does a lot of exercise. He's still very fat.

When the birth rate is high, the expectation of life is low.

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

Although it was expected that he would stand for election, he didn’t.

“If I were you, I would rather go by train than by bus.”

At the factory, he likes people to let him save his own way

We had better leave him a note because it is possible they will arrive late.

The young girl has great experience of nursing. She has worked as a hospital volunteer for years.

Sue is too slow to understand what you might say.

He last visited London three years ago.

The plane had taken off. Paul realized he was on the wrong flight.

This village is inaccessible in winter due to heavy snow.

They don’t let the workers use the office telephone for personal calls.

His eel soup is better than any other soups I have ever eaten.

The letter that I received yesterday is from my sister.

She wrote the text. She selected the illustration as well.

"It can't be Mike who leaked the document, it might be Tom" said our manager.