At times, this can be risky, and the keepers have been injured and one has been killed.

The distinction between schooling and education implied by this remark is important.

We can do something to save the earth.

The doctor advised Peter to give up smoking.

After many months of grueling work and painful injuries to her shoulder and back, Susan realized that her dream of swimming the English Channel was unattainable.

There is growing concern about the way man has destroyed the environment.

It's cool and quiet everywhere except in the kitchen.

He inherited a lucrative business from his father.

He is over the moon about his good marks.

The wise man has long ears and a short tongue.

Those who advocate for doctor-assisted suicide say the terminally ill should not have to suffer.

The plants and animals of the sea fall into three major groups.

Name some famous football players in the world.

Be quiet or you'll wake the whole house!

After a grueling and busy week at work, the stillness of the river reminded Lara of the silence.

Synthetic products are made from chemicals or artificial substances.

Slavery was abolished in the US in the 19th century.

Advanced students need to be aware of the important of collocation.

At the managers' meeting, the group decided against the new project as a viable option and decided on another direction to ensure success for the company's fall line.

His career in the illicit drug trade ended with the police raid this morning .

Strongly advocating health foods, Jane doesn’t eat any chocolate.