She sighed with relief when she found out that she has passed the difficult test.

Genetic engineering is helping researchers unravel the mysteries of previously incurable diseases so that they can get to its root causes and find cures

Choose the correct answer to complete the sentence. "They decided to cut down on carbon footprints _____they saw people suffer global warming consequences"

It has been found that the length of light or dark periods influence certain activities of flowering plants

Learners can feel very ...... if an exercise is too difficult.

Justice is often personified as a blind folded woman to hold a pair of scales.

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

Our civilization is so commonplace to us that rarely we stop to think about its complexity

I’m trying to save up for a trip to Canada, so I can’t afford buying much at the moment.

Under any circumstances will late arrivals be admitted to the theatre before the interval.

Some of us have to study their lessons more carefully if we expect to pass this examination.

There is nothing more annoying than you are interrupted when you are speaking

This time last year, I was cycling under the rain along a country road in France with a friend of mine

Choose the best option:

The area is roped off because the water is seriously polluted.

For many years, scientists studying the effects that the sun has on human skin.

Do you think that the humans will ever be able to live in other planets?

To save the California condor from extinction, a group of federal, local, and privately organizations initiated a rescue program.

Sue works as .................. teacher in ...................school for .................. blind in Ireland. ........school has over a thousandpupils. 

Frank Lloyd Wright has been acclaimed by colleagues as the greater of all modern architects

They are going to do the test tomorrow, _    ?

.......... chair which you are sitting in is broken.