When preparing a diet, a person should be aware that vitamin D acts to increase the amount of calcium absorbed by the body.

I received housing benefit when I was unemployed.

The teacher gave some suggestions on what would come out for the examination.

When we went to the airport to see her off, we had a traffic jam.

The famous racehorse Secretariat had to be destroyed because of a painful, incurable hoof disease.

Professor Berg was very interested in the diversity of cultures all over the world.

Many scientists agree that global warming poses great threats to all species on Earth.

The real meaning of the poem was obscured by the pretentious language in which it was written.

The systems caused by ingestion of a harmful chemical must be counteracted within minutes in order to avoid permanent damage to the kidneys and other vital organs.

The fer-de-lance, a kind of viper, is one of the most poisonous snakes.

In most countries, compulsory military service does not apply to women.

The copperhead, a snake that strikes without warning, is considered more dangerous than the rattlesnake.

I told you clearly and definitely not to write your answers in pencil, Smith!

Dozens of applicants showed up for the vacant position, but only a handful of them were shortlisted for the interview.

If you do not understand the word "superstitious", look it up in the dictionary.

People are busy buying gifts, cleaning and decorating the house and cooking traditional foods to welcome Tet holiday now.

Most ethnic groups in Vetnam have their own costumes that reflect their unique culture identities.

He made one last futile effort to convince her and left home.

John stayed at home from work yesterday because he was feeling under the weather.

Sorry, I can’t come to your party. I am snowed under with work at the moment.

The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.