If eitherw of you take a vacation now, we won’t be able to finish the wor

Louis Braille designed a form of communication enabling people to convey and preserve their thoughts to incorporate a series of dots which were read the finger tips.

Pigeons, like many migratory birds, read he positions of the Sun and stars in order orient them.

Exercising well is as important to your health as sleep  and eating correctly 

The patient who was not supposed to be released until the end of the week was told to dress in clothes and report to the nurse station.

The first vaccine ever developed was used to combat and fight a smallpox, disease resulting from infection by a virus.

To raise livestock successfully , farmers must selecting cattle for breeding and apply a diet regimen.

The most of the energy used in our homes and factories is generated coal, oil and natural gas.

Salt was too scarce and precious that it was used as money.

Australian koalas are furry, gray animal that live in trees and feed leaves.

Before she moved here, Arlane had been the president of the organization fo since four years.

You need to study really hardly is you don’t want to fail your exams 

In pools, goldfish are not just ornamental; since they feed on mosquito larva, they are also benefitcal.

The singer was ______________ on the piano by her sister. 

Before she moved to California, with its much climate, Betty found that health improved considerably.

Either humans and animals learn by experience, and what is learned influences the plannin and carrying out of simple actions.

Janet is finally used to cook on an electric stove after having gas one for so long.

Herman Melville’s novel, Moby Dick describes the dangers , difficult, and often violent life aboard whaling ship

Ancient people made a clay pottery because they needed it for their survive

As the marathon runner reached the half-way mark, he, being hot and was soaked perspiration, stopped to rub himself down with a towel.

I have gone to Copenhagen three times this year, I still want to spend holiday there.