The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations

Nowhere he could find a good place to study, so he returned to his dorm

In order no money would be wasted, we had to account for every penny we spent.

Million of people lost their jobs in the 90’s. This, in turn, caused social dissatisfaction with the political leaders who had promised jobs and prosperity.

Learning Spanish isn’t so difficult once you ______.

Ballet performers must be believable actors and actresses as well as experts .

We are not allowed to enter this construction site. A block of flats is being built here and it is dangerous to walk because you may get hurt by a fallen brick or some other objects.

We chose to take a trip to the Far East because it was advertised as adventurous and intrigued

The officials of the Board of Elections asked that each voter present their registration card and a valid Texas driver’s license before receiving a ballot.

The us mint makes frequently coins from cheap alloys that are worth far less the value stamped on them.

British people living outside the UK have to become accustomed to the image of Britain that appears to exist all throughout round the world.

Amphibians are a class of animal that that can live and breed neither on land or in water.

When T.S. Eliot’s “The Wasteland” appeared in 1922, critics were divided as to how good it was written.

You should bring an umbrella_______ it rains.

The lecture was _______ interesting and instructive.

Living in New York, apartments cost more to rent than they do in other smaller cities.

The mosquito has needle-shaped mouthparts that piercing the skin to suck blood.

The tongue is the principle organ of taste, and is crucial for chewing, swallowed and speaking.

The examination was very difficult, _______ very few were able to pass.

I’m just going to the shops; if anyone rings, tell them I will be back for a few minutes.

Please don’t ______ a word of this to anyone else, it’s highly confidential.